General Information about Hair Loss

Articles 14
Subject
What Is Hair Loss? file
Hair Loss? Hair grows everywhere on the human skin except on the palms of our hands and the soles of our feet, but many hairs are so fine they're virtually invisible.The most oft-quoted average rate of human hair growth is 6 inches per ...  
What is Alopecia? file
Hair loss, also known as alopecia or baldness, refers to a loss of hair.Typically at least the head is involved.The severity of hair loss can vary from a small area to the entire body.Typically inflammation or scarring is not present. Hair l...  
What Causes Hair Loss? file
Doctors don't know why certain hair follicles are programmed to have a shorter growth period than others. However, several factors may influence hair loss: Hormones, such as abnormal levels of androgens (male hormones normally produced b...  
Why Am I Losing My Hair? file
Everyone loses hair all the time, maybe up to 100 strands a day. They fall out, then grow back in, and the cycle starts over again. But eventually, most guys will start to notice that they’re losing more than before -- and it’s ...  
Treatments to Slow Men’s Hair Loss file
Lots of products claim to help guys bring back the shiny mane of their younger days. But only a handful of those seem to work. And you don’t need to lighten your wallet on worthless shampoos and supplements in the quest for a fuller h...  
Pregnancy file
Pregnancy Pregnancy is one example of the type of physical stress that can cause hair loss (that and hormones). Pregnancy-related hair loss is seen more commonly after your baby has been delivered rather than actually during pregnancy. &ldqu...  
Hair Science file
Hair is far more complex than it appears on the surface. We all know that it not only plays a vital role in the appearance of both men and women, but it also helps to transmit sensory information as well as create gender identification.  
The Origins of Hair file
The Origins of Hair By week 22, a developing fetus has all of its hair follicles formed. At this stage of life there are about 5 million hair follicles on the body. There are a total of one million on the head, with one hundred thousand of t...  
Hair Follicles file
Hair Follicles Hair has two distinct structures - first, the follicle itself, which resides in the skin, and second, the shaft, which is what is visible above the scalp. The hair follicle is a tunnel-like segment of the epidermis that extend...  
Hair Shafts
Hair Shafts The hair shaft is made of a hard protein called keratin and is made in three layers. This protein is actually dead, so the hair that you see is not a living structure. The inner layer is the medulla. The second layer is the corte...  
Hair Growth Cycle
Hair Growth Cycle Hair on the scalp grows about .3 to .4 mm/day or about 6 inches per year. Unlike other mammals, human hair growth and shedding is random and not seasonal or cyclical. At any given time, a random number of hairs will be in o...  
Anagen
Anagen Anagen is the active phase of the hair. The cells in the root of the hair are dividing rapidly. A new hair is formed and pushes the club hair (a hair that has stopped growing or is no longer in the anagen phase) up the follicle and ev...  
Catagen
Catagen The catagen phase is a transitional stage and about 3% of all hairs are in this phase at any time. This phase lasts for about two to three weeks. Growth stops and the outer root sheath shrinks and attaches to the root of the hair. Th...  
Telogen
Telogen Telogen is the resting phase and usually accounts for 6% to 8% of all hairs. This phase lasts for about 100 days for hairs on the scalp and longer for hairs on the eyebrow, eyelash, arm, and leg. During this phase, the hair follicle ...