Mary Claire Haver

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806 appearances 2 recordings 1 series first heard Sep 2026 last heard 15 Sep

Mary Claire Haver’s voice in public audio — every appearance, attributed to the second.

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Recordings per month over the last 12 months — 2 in all, peaking in Sep 2026 with 2.

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So before we get started, I wanna make sure everyone understands the life cycle of healthy hair.

The hair cycle has three phases.

We have antigen, which is the growth phase.

It lasts about two to seven years and about 85 to 90% of your hair follicles are in antigen at any given time.

We have catagen, which is the transition phase, and it lasts about two to three weeks.

This is when the follicle actually shrinks at the end of antigen.

And then we have telogen, which is the resting phase.

It lasts two to four months and hair sits dormant and then sheds when the new antigen hair comes up behind it, pushing it out.

So our hair follicles are constantly proliferating and growing.

Normal shedding for a woman is about 50 to 100 hairs a day.

Anything that pushes a longer than normal fraction of follicles into telogen at the same time shows up as a shed two to four months later.

So anyone who's had a baby knows exactly what I'm talking about.

Typically, after we deliver a baby, because of the hormonal influences that pregnancy had on our hair follicles,

Two to four months after that baby is born, you will notice tremendous amounts of hair shedding.

For a healthy hair to grow, we need certain things.

One is adequate protein.

We need the amino acid availability.

So people who have low protein diets tend to have less hair.

We need iron, especially for the enzymes that drive hair matrix cell proliferation.

We need a healthy functioning thyroid gland.

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