Healthy Hair and Scalp
- Q What foods should I eat for healthy hair?
Dr. Michael Roizen, Internal MedicineOf course you care how your hair looks. Who doesn't? Ever since humans emerged from caves, we've used our hair to broadcast two messages: "I'm healthy and powerful," and, "Hello, honey, how about it?" Some politicians get elected just because of... Full Answer
- Q Why can't some people grow long hair?
Dr. Michael Roizen, Internal MedicineSome people have difficulty growing their hair beyond a certain length because they have a short active phase of growth. On the other hand, people with very long hair have a long active phase of growth. The hair on the arms, legs, eyelashes, and eyebrows... Full Answer
- Q What is hair health?
Just like the rest of your body, your hair can be healthy or unhealthy. Your hair grows in cycles, with each hair falling out after about 6 years of growing. If your hair is healthy, a new hair will grow where the old one fell out. Hair growth is... Full Answer
- Q Why do people have pubic hair?
Dr. Lauren Streicher, Obstetrics & GynecologyBefore central heating, pubic hair kept the genitals warm. The obvious advantage of warm genitals is that people would be more likely to take their clothes off, and men would be more likely to maintain an erection. Evolutionarily, the other function of... Full Answer