
Losing and Gaining Hair
Many of us will lose hair on our heads and sprout hair where we don't want it.
Fifty to 60 percent of men will undergo male-pattern baldness, Celestino said. "They will grow it extensively out of their noses and ears." Women don't usually go bald, but their hair can thin as they age. And they may notice dark, bristly hairs appearing on their chins and upper lips. The hairs aren't new, he said. But the changing balance of hormones that comes with aging cause the hair follicles to produce "terminal" hairs, thick, coarse and dark, rather than the soft, downy "vellus" hairs that were there before.
Even as we are producing dark hairs on our faces, we are likely to be growing gray hair on our heads. People go gray because the pigment-producing cells in the hair stop their work, Celestino said. How soon and how much we gray is determined by genetics. We might begin to turn gray in our teens, as did Taylor Hicks, an American Idol winner. Or we might be able to hold on to our natural hair color well into middle age. Most people have developed at least some gray hair by their 40s and 50s.
Skin
Our skin starts to age while we are still young, Hess said. In our 20s, we start to slowly lose collagen, a fibrous protein that provides firmness and strength to our skin. In our 30s and 40s, gravity and repetitive movements, such as frowning and squinting, begin to affect the skin, causing lines and furrows. The decreased elasticity of the skin becomes more apparent when we reach our 50s.
The older we get, the more saggy and fragile our skin becomes. We bruise more easily, Palmer said. We develop all sorts of unsightly things on our faces, such as freckles, age spots, spider veins and keratoses, thick, wart-like growths. The tips of our noses start to droop, and our ears elongate. Our eyelids sag and the fat pads beneath our eyes become more prominent.
People who undergo cosmetic surgery on their eyes often look significantly younger, Celestino said, "just because eyes are such a window of youth."
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