Mastering Nutrition
Episodes
COVID-19: The Three Immunotypes
17 Jul 2020
Contributed by Lukas
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Does Exposure to Animals Provide Immunity to COVID-19?
15 Jul 2020
Contributed by Lukas
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Low Potassium Levels in COVID-19
23 Jun 2020
Contributed by Lukas
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COVID-19: IgA Antibodies and Vitamin A
21 Jun 2020
Contributed by Lukas
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COVID-19: New Insights Into Clotting
21 Jun 2020
Contributed by Lukas
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COVID-19: Blood Clots Cause the Strokes in Young People
20 May 2020
Contributed by Lukas
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COVID-19: The Liver is Clotted But Not Very Inflamed
19 May 2020
Contributed by Lukas
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COVID-19: Lower ACE2 Isn't the Problem in Older Males
18 May 2020
Contributed by Lukas
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COVID-19: The First Human Zinc Study is Promising
17 May 2020
Contributed by Lukas
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Vitamin D and COVID-19: The Association Gets More Consistent But Weaker
16 May 2020
Contributed by Lukas
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COVID-19: “Leaky Blood Vessels” May Underlie Clotting
16 May 2020
Contributed by Lukas
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COVID-19: ACE Inhibitors and ARBs Don’t Increase ACE2 or Disease Risk
14 May 2020
Contributed by Lukas
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Glutathione and COVID-19: Very Preliminary Evidence
13 May 2020
Contributed by Lukas
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COVID-19: Ivermectin Probably Isn't Useful
11 May 2020
Contributed by Lukas
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COVID-19: Naproxen (Aleve), Clotting, and Viral Growth
10 May 2020
Contributed by Lukas
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COVID-19: Remdesivir Is Toxic to Male Fertility, and Its Benefit Is Unclear
09 May 2020
Contributed by Lukas
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COVID-19: Why the Mutated Virus Spreads Faster in North America and Europe Than East Asia
08 May 2020
Contributed by Lukas
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COVID-19: The Virus Has Mutated to Spread Faster
08 May 2020
Contributed by Lukas
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Should a female focus on lowering DHT to avoid pattern baldness? | Masterjohn Q&A Files #117
30 Apr 2020
Contributed by Lukas
Question: Should a female focus on lowering DHT to avoid pattern baldness? Carrie: DHT is only one of the alpha metabolites. If you just do it in seru...
COVID-19: Machine Learning and 8.2 Million Clinical Notes Identify the Early Symptoms
29 Apr 2020
Contributed by Lukas
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Is there an optimum number of meals or insulin spikes per day for optimizing thyroid function? | Masterjohn Q&A Files #116
29 Apr 2020
Contributed by Lukas
Question: Is there an optimum number of meals or insulin spikes per day for optimizing thyroid function? Assuming that you're controlling for the leve...
COVID-19: New Evidence That Interferon Could Be Harmful
28 Apr 2020
Contributed by Lukas
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What can be done to reverse hypothyroidism other than taking thyroid medicine? | Masterjohn Q&A Files #115
28 Apr 2020
Contributed by Lukas
Question: What can be done to reverse hypothyroidism other than taking thyroid medicine? Chris: I'll throw in a couple things. If you just look at the...
Why would a woman have no cycle? Why would a woman have an anovulatory cycle? | Masterjohn Q&A Files #114
27 Apr 2020
Contributed by Lukas
Question: Why would a woman have no cycle? Why would a woman have an anovulatory cycle? Carrie: Remember, cortisol is very, very, very potent in the b...
Update on Vitamin D and COVID-19
26 Apr 2020
Contributed by Lukas
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COVID-19: Is Baicalein From Chinese Skullcap Effective?
26 Apr 2020
Contributed by Lukas
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COVID-19 and the Smoking Paradox
25 Apr 2020
Contributed by Lukas
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COVID-19: ACE2 Explains Why Smoking Is Associated With Worse Outcomes
25 Apr 2020
Contributed by Lukas
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COVID-19: Blood Clots May Be the Cause of Low Oxygen Levels
24 Apr 2020
Contributed by Lukas
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COVID-19: My Response to Dr. Rhonda Patrick on Vitamin D and ACE2
24 Apr 2020
Contributed by Lukas
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What to do about premenstrual water retention? | Masterjohn Q&A Files #113
24 Apr 2020
Contributed by Lukas
Question: What to do about premenstrual water retention? Chris: I looked at a really good paper that showed that in women who had water retention sym...
COVID-19: Could Elderberry Cause a Cytokine Storm? Extremely Unlikely.
23 Apr 2020
Contributed by Lukas
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COVID-19: Two Easily Available Lab Markers to Identify Patients at Risk of Severe Cases
23 Apr 2020
Contributed by Lukas
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Dietary nutritional advice for breast cancer prevention and thoughts on HRT? | Masterjohn Q&A Files #112
23 Apr 2020
Contributed by Lukas
Question: Dietary nutritional advice for breast cancer prevention and thoughts on HRT? Carrie: Well, that's probably better for you when it comes to l...
COVID-19: If You Lose Your Sense of Smell or Taste, What Are the Chances You Have It?
22 Apr 2020
Contributed by Lukas
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COVID-19: The Nose Gets Infected, and the Nerves Get Damaged
22 Apr 2020
Contributed by Lukas
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What are causes for night sweats in men?| Masterjohn Q&A Files #111
22 Apr 2020
Contributed by Lukas
Question: What are causes for night sweats in men? Carrie: Oh. Well, it can be hormonal just like it can be for women. I test all the same hormones in...
COVID-19: Getting Zinc and Copper Into the Nose, Mouth, and Throat
21 Apr 2020
Contributed by Lukas
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COVID-19: It Infects the Throat, Not Just the Lungs
21 Apr 2020
Contributed by Lukas
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With an ovary removed, when should I think about increasing progesterone or estrogen? | Masterjohn Q&A Files #110
21 Apr 2020
Contributed by Lukas
Question: With an ovary removed, when should I think about increasing progesterone or estrogen? Carrie: You may actually need more progesterone. Like ...
COVID-19: What's the Best Dose of Zinc for Prevention?
20 Apr 2020
Contributed by Lukas
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COVID-19: Are Quercetin and EGCG Beneficial?
20 Apr 2020
Contributed by Lukas
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Why do I wake up early every morning when I’m depressed? | Masterjohn Q&A Files #109
20 Apr 2020
Contributed by Lukas
Question: Why do I wake up early every morning when I’m depressed? Carrie: Now, with depression, it's heavily studied if you have an elevated or exc...
COVID-19: Are Chloroquine and Hydroxychloroquine Zinc Ionophores?
19 Apr 2020
Contributed by Lukas
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COVID-19: New Data Suggesting the Open Air Is Safe
19 Apr 2020
Contributed by Lukas
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COVID-19: Why New York City Is a Leading Indicator, Not an Outlier
19 Apr 2020
Contributed by Lukas
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COVID-19: How Much Worse Will This Get Before It Gets Better?
19 Apr 2020
Contributed by Lukas
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How does the body make hormones and what nutrients and foods do they need to do this? | Masterjohn Q&A Files #108
17 Apr 2020
Contributed by Lukas
Question: How does the body make hormones and what nutrients and foods do they need to do this? Carrie: Now, as far as nutrients go, like I said, chol...
Should someone with low testosterone go back on testosterone replacement therapy or wait it out? | Masterjohn Q&A Files #107
16 Apr 2020
Contributed by Lukas
Question: Should someone with low testosterone go back on testosterone replacement therapy or wait it out? Carrie: Men have luteinizing hormone just l...
What to do about low libido after a LEEP procedure? | Masterjohn Q&A Files #106
15 Apr 2020
Contributed by Lukas
Question: What to do about low libido after a LEEP procedure? Carrie: With the LEEP procedure, so like I was saying, basically it's kind of like a hot...
Would a seasonally low vitamin D intake and high calcium intake cause soft tissue calcification? | Masterjohn Q&A Files #105
14 Apr 2020
Contributed by Lukas
Question: Would a seasonally low vitamin D intake and high calcium intake cause soft tissue calcification? Chris: Yeah, okay. The end of this question...
Question on Iodine, Fatigue, and Detox Reaction. | Masterjohn Q&A Files #104
13 Apr 2020
Contributed by Lukas
Question: Question on Iodine, Fatigue, and Detox Reaction. Carrie: Remember, iodine belongs to the halogen family and other halogens can bind onto you...
How to lower Sex Hormone-Binding Globulin (SHBG)? | Masterjohn Q&A Files #103
10 Apr 2020
Contributed by Lukas
Question: How to lower Sex Hormone-Binding Globulin (SHBG)? Carrie: SHBG is like bane of my existence. I have no idea how to get SBHG down once it's u...
Why does estrogen regulate tryptophan metabolism? | Masterjohn Q&A Files #102
09 Apr 2020
Contributed by Lukas
Question: Why does estrogen regulate tryptophan metabolism? Chris: I think that it's basically the body trying to make sure that the baby has enough n...
Insomnia is different between people who are and aren't on HRT? | Masterjohn Q&A Files #101
08 Apr 2020
Contributed by Lukas
Question: Insomnia is different between people who are and aren't on HRT? Carrie: Yes, sort of. If it's strictly a hormone issue, if she says, "I've n...
The use of pregnenolone to manage perimenopausal symptoms, particularly insomnia. | Masterjohn Q&A Files #100
07 Apr 2020
Contributed by Lukas
Question: The use of pregnenolone to manage perimenopausal symptoms, particularly insomnia. Carrie: Well, so here's the thing about pregnenolone. Oral...
Guidance on what time of day it is best to take T4 and/or T3? | Masterjohn Q&A Files #99
06 Apr 2020
Contributed by Lukas
Question: Guidance on what time of day it is best to take T4 and/or T3? Carrie: It actually depends if you're taking immediate release T4 or T3 especi...
A rant on why many people use “MTHFR” to slap a label on their health problems. | Masterjohn Q&A Files #98
03 Apr 2020
Contributed by Lukas
Question: A rant on why many people use “MTHFR” to slap a label on their health problems. I put MTHFR in quotes because I meant it the way that p...
Are there safety concerns in supplementing in those with MTHFR polymorphisms? | Masterjohn Q&A Files #97
02 Apr 2020
Contributed by Lukas
Question: Are there safety concerns in supplementing cyanocobalamin rather methylcobalamin in those with MTHFR polymorphisms? If you're concerned abo...
What about pyroluria and measuring kryptopyrroles? | Masterjohn Q&A Files #96
01 Apr 2020
Contributed by Lukas
Question: What about pyroluria and measuring kryptopyrroles? I think it's fairly harmless to increase zinc and B6 as a test of whether that's true and...
How to manage blood levels of omega-3 and omega-6 fatty acids. | Masterjohn Q&A Files #95
31 Mar 2020
Contributed by Lukas
Question: How to manage blood levels of omega-3 and omega-6 fatty acids. I don't specifically want to look at the omega-3-to-omega-6 ratio. The AA/EPA...
Can PEMT genetics cause fat malabsorption, mineral deficiencies, and oxalate problems?| Masterjohn Q&A Files #94
30 Mar 2020
Contributed by Lukas
Question: Can PEMT genetics cause fat malabsorption, mineral deficiencies, and oxalate problems? First of all, saponification of minerals, the point h...
Could an elevated BUN indicate protein malabsorption and low stomach acid? | Masterjohn Q&A Files #93
27 Mar 2020
Contributed by Lukas
Question: Could an elevated BUN indicate protein malabsorption and low stomach acid? I get the Heidelberg test. That's the only accurate way to assess...
Are bilirubin and uric acid useful markers of antioxidant defense and oxidative stress? What are better markers? | Masterjohn Q&A Files #92
26 Mar 2020
Contributed by Lukas
Question: Are bilirubin and uric acid useful markers of antioxidant defense and oxidative stress? What are better markers? I think intracellularly whe...
Does it matter what form of B12 you take? | Masterjohn Q&A Files #91
25 Mar 2020
Contributed by Lukas
Question: Does it matter what form of B12 you take? Cyanocobalamin is cheap and there's not really any clear evidence that it's harmful, but I just do...
Is it useful to measure urine pH? | Masterjohn Q&A Files #90
24 Mar 2020
Contributed by Lukas
Question: Is it useful to measure urine pH? The urine pH is telling you the acid burden that your body has been subjected to. It's telling you, you ca...
Why AGEs and deficient insulin signaling are the main problem in diabetes. | Masterjohn Q&A Files #89
23 Mar 2020
Contributed by Lukas
Question: Why AGEs and deficient insulin signaling are the main problem in diabetes. The reason that methylglyoxal, which I did my doctoral dissertati...
Nutritional recommendations for MTR and MTRR polymorphisms. | Masterjohn Q&A Files #88
20 Mar 2020
Contributed by Lukas
Question: Nutritional recommendations for MTR and MTRR polymorphisms. In the methylation cycle, I've talked a lot about MTHFR, which helps finalize th...
Nutrition for children with ADHD. | Masterjohn Q&A Files #87
19 Mar 2020
Contributed by Lukas
Question: Nutrition for children with ADHD. In adults 100 to 800 milligrams per day has been used in a couple studies showing effects in the brain. On...
Coronavirus: Foods and Supplements
18 Mar 2020
Contributed by Lukas
Here's what I'm doing about the coronavirus: chrismasterjohnphd.com/covid19 Here's my 41-page 92-reference guide, The Food and Supplement Guide for th...
Nutrients important for neuroregeneration | Masterjohn Q&A Files #86
18 Mar 2020
Contributed by Lukas
Question: Nutrients important for neuroregeneration. Iron, phosphorus, and sulfate are very important for regenerating nerves. Magnesium. Acetylcholi...
Advice for what to do after suffering a transient ischemic attack | Masterjohn Q&A Files #85
17 Mar 2020
Contributed by Lukas
Question: Advice for what to do after suffering a transient ischemic attack. A TIA, a transient ischemic attack, is like a mini stroke, but they all ...
When on a ketogenic diet, it is a problem if ketones are going up to 5 to 6 millimoles per liter? | Masterjohn Q&A Files #84
16 Mar 2020
Contributed by Lukas
Question: When on a ketogenic diet, it is a problem if ketones are going up to 5 to 6 millimoles per liter? One of the popular ketogenic advocates was...
Are there any solutions to getting nauseated from zinc supplements even at low doses and even when the zinc comes as oysters? | Masterjohn Q&A Files #83
13 Mar 2020
Contributed by Lukas
Question: Are there any solutions to getting nauseated from zinc supplements even at low doses and even when the zinc comes as oysters? With the zinc,...
Could low LDL hurt female fertility? | Masterjohn Q&A Files #82
12 Mar 2020
Contributed by Lukas
Question: Could low LDL hurt female fertility? I haven't seen evidence of it, but that would not surprise me at all given that cholesterol is what yo...
Is it safe to take creatine when nursing? | Masterjohn Q&A Files #81
11 Mar 2020
Contributed by Lukas
Question: Is it safe to take creatine when nursing?If you felt fatigued and you took the creatine and all of a sudden that started reversing, then you...
Can you explain plant polyphenols and hormesis? | Masterjohn Q&A Files #80
10 Mar 2020
Contributed by Lukas
Question: Can you explain plant polyphenols and hormesis? In brief, our detoxification system didn't evolve to handle the toxins of modern society. ...
What to do when serum magnesium is high but RBC magnesium is low? | Masterjohn Q&A Files #79
08 Mar 2020
Contributed by Lukas
Question: What to do when serum magnesium is high but RBC magnesium is low? The magnesium in the blood and the hair is high. When you say blood, I'm a...
Is there a potential for adverse effects of 5-10 mg of folate for heterozygous MTHFR? | Masterjohn Q&A Files #78
06 Mar 2020
Contributed by Lukas
Question: Is there a potential for adverse effects of 5-10 mg of folate for heterozygous MTHFR? Is there a potential? Yeah. The tolerable upper intake...
Is folate unstable in frozen liver or just in frozen veggies? | Masterjohn Q&A Files #77
05 Mar 2020
Contributed by Lukas
Question: Is folate unstable in frozen liver or just in frozen veggies? The answer is folate is stable in frozen liver. It is not stable in frozen gr...
How much vitamin C should I take with collagen? | Masterjohn Q&A Files #76
04 Mar 2020
Contributed by Lukas
Question: How much vitamin C should I take with collagen? There's no evidence that you need to take vitamin C with collagen. There is a study by Keith...
Are liver capsules as good as eating liver? | Masterjohn Q&A Files #75
03 Mar 2020
Contributed by Lukas
Question: Are liver capsules as good as eating liver? Liver pills are mainly for people who are not going to eat liver. That's the first thing. The s...
Should I take 3 grams of leucine per meal? | Masterjohn Q&A Files #74
02 Mar 2020
Contributed by Lukas
Question: Should I take 3 grams of leucine per meal? Leucine is metabolized into a leucine metabolite that is the signal of protein synthesis. It's t...
What are your thoughts on root canals? | Masterjohn Q&A Files #73
28 Feb 2020
Contributed by Lukas
Question: What are your thoughts on root canals? Before Weston Price embarked on his journeys that led to the publication of Nutrition and Physical De...
What does it mean when histamine intolerance and blood sugar dysregulation occur together? | Masterjohn Q&A Files #72
27 Feb 2020
Contributed by Lukas
Question: What does it mean when histamine intolerance and blood sugar dysregulation occur together? Well, if his blood sugar is no longer as stable ...
If PTH is mid-normal, do I need a calcium supplement? | Masterjohn Q&A Files #71
26 Feb 2020
Contributed by Lukas
Question: If PTH is mid-normal, do I need a calcium supplement? I'm assuming that by midrange you mean it's 30. If you mean it's 40, then no, you're d...
What to do about sky-high pyroglutamate? | Masterjohn Q&A Files #70
25 Feb 2020
Contributed by Lukas
Question: What to do about sky-high pyroglutamate? Pyroglutamate, its other name is 5-oxoproline. It is something that is primarily produced when you...
In hemochromatosis, why would ferritin be low but transferrin saturation high? | Masterjohn Q&A Files #69
24 Feb 2020
Contributed by Lukas
Question: In hemochromatosis, why would ferritin be low but transferrin saturation high? Ferritin is your long-term iron storage. Transferrin is your...
Does folic acid act differently in the body than natural folate? | Masterjohn Q&A Files #68
21 Feb 2020
Contributed by Lukas
Question: Does folic acid act differently in the body than natural folate? | Masterjohn Q&A Files #68They don't really. Everything that is said bad ab...
Can frozen vegetables be trusted for folate? | Masterjohn Q&A Files #67
20 Feb 2020
Contributed by Lukas
Question: Can frozen vegetables be trusted for folate? You absolutely cannot trust frozen vegetables as a source of folate ever. That's because folate...
How much spinach, broccoli, and kale is too much? | Masterjohn Q&A Files #66
19 Feb 2020
Contributed by Lukas
Question: How much spinach, broccoli, and kale is too much? Cruciferous vegetables have an issue with potential goitrogens. At serving sizes like this...
What can be done nutritionally to specifically improve antiviral immunity? | Masterjohn Q&A #65
18 Feb 2020
Contributed by Lukas
Certainly, the fat-soluble vitamins, vitamins A and D, both important. Lauric acid as a fat. Coconut oil might be a good fat choice for the fat in you...
Can you give any suggestions for increasing delta-6 desaturase activity? | Masterjohn Q&A Files #64
17 Feb 2020
Contributed by Lukas
Question: Can you give any suggestions for increasing delta-6 desaturase activity? There's a bunch of nutrients involved in that, so many that you bas...
What are the pros and cons of boosting sulforaphane? | Masterjohn Q&A Files #63
14 Feb 2020
Contributed by Lukas
Question: What are the pros and cons of boosting sulforaphane? Sulforaphane, the nice thing is it promotes detoxification. The bad thing is it raises ...
Is it true that we can’t absorb more than 1.5 grams of creatine at one time? | Masterjohn Q&A Files #62
13 Feb 2020
Contributed by Lukas
Question: Is it true that we can’t absorb more than 1.5 grams of creatine at one time? I don't think that's true. From what I looked at, it looked l...
NMN vs. NR: What’s better? And is TMG necessary? | Masterjohn Q&A Files #61
12 Feb 2020
Contributed by Lukas
Question: NMN vs. NR: What’s better? And is TMG necessary? Yeah. There are no human studies looking at NMN and how it's metabolized. There are studi...
What to do about cataracts | Masterjohn Q&A Files #60
11 Feb 2020
Contributed by Lukas
Question: What to do about cataracts. Carl Rayner says, "Cataract in one eye becoming noticeable. This eye had a posterior detachment about 11 years a...
What can be done nutritionally to specifically improve antiviral immunity?
11 Feb 2020
Contributed by Lukas
Question: What can be done nutritionally to specifically improve antiviral immunity? Certainly, the fat-soluble vitamins, vitamins A and D, both impor...
If free T3 looks good, why is TSH still a little high? Why hasn't the T3 brought it down enough? | Masterjohn Q&A Files #59
10 Feb 2020
Contributed by Lukas
Question: If free T3 looks good, why is TSH still a little high? Why hasn't the T3 brought it down enough? Your thyroid gland makes thyroid hormone. T...
What food supplements and training programs are good for developing muscle mass? | Masterjohn Q&A Files #58
31 Jan 2020
Contributed by Lukas
Question: What food supplements and training programs are good for developing muscle mass? Overwhelmingly, what matters for muscle mass is working out...