Alopecia areata is an autoimmune disease, where a person's immune system attacks the body, in this case, the hair follicles. When this happens, the person's hair begins to fall out, often in clumps the size and shape of a quarter. The extent of the hair loss varies; in some cases, it is only in a few spots. In others, the hair loss can be greater. On rare occasions, the person loses all of the hair on his or her head (alopecia areata totalis) or entire body (alopecia areata universalis).
Other medical conditions — most commonly telogen effluvium and seborrheic dermatitis — can also cause hair loss, but most people can trace their follicular woes back to androgenetic alopecia, so we focused our search there. We started with more than 200 products, including all-natural solutions and high-tech gadgets, while skipping treatments that focus only on volumizing or thickening hair. We also limited our scope to the scalp, and left out specialty products designed only for eyebrows or beards.
There’s no cure for baldness, but there are ways to hold on to what you've got. The six dermatologists and the clinical studies point to three methods: minoxidil, laser treatments, and prescription finasteride. The key is finding the combination and hair loss regimen that works for you. A doctor is your best bet for that kind of guidance — but we found a few trustworthy products that will work for most people.
Each hair develops from a follicle — a narrow pocket in the skin — and goes through three phases of growth. Anagen (A), the active growth phase, lasts two to seven years. Catagen (), the transition phase, lasts about two weeks. During this phase, the hair shaft moves upward toward the skin's surface, and the dermal papilla (the structure that nourishes cells that give rise to hair) begins to separate from the follicle. Telogen (C), the resting phase, lasts around three months and culminates in the shedding of the hair shaft.
Without a doubt, poor nutrition (often caused by eating disorders and crash dieting) is a common trigger of temporary hair loss. If you don’t get enough protein in your diet, your body may respond by shutting down hair growth—resulting in hair loss. Great source of protein include red meat and dairy products, as well as quinoa, legumes, and nuts and nut butters (all great options for vegetarians). Hair loss can also be triggered by anemia, or a deficiency in iron. Getting enough iron (found in red meat) is key to treating this; often times, an iron supplement can help. If this is the cause of your hair loss, our dermatologists can do a simple blood test to confirm this. 

Hopeing somebody may be able to help or even point me in the right direction. I am 21 years old and have a medium length graduated bob,longest layer being shoulder length. Since march this year I noticed the right side of my head felt a lot thinner then the left. So due to this i started to sleep on my left side, havent dyed my hair since april,stopped straightening my hair everyday, let my hair dry naturall, you name it I tried it. However it has now got to the stage that the middle layer of my hair has completly broken off and is only about 4 inches long. I am absolutly heart broken about it, and also cannot understand . I do not want to have to cut all my hair off as it has taken me years to grow out an awful hair cut and do not suit short hair at all so all in all feel very upset and worried. If there is anybody that can help I would really appreaciate it.


Men may also experience some sexual and emotional side effects while taking it: In a study published in the June 2011 issue of The Journal of Sexual Medicine, Dr. Michael Irwig of George Washington University found as many as 92 percent of test subjects reporting problems in the bedroom. The study also reported that “the mean duration of finasteride use was 28 months and the mean duration of persistent sexual side effects was 40 months,” meaning that side effects lingered long after subjects stopped taking the pill.
Taking hair supplements can be helpful for anyone who is experiencing hair loss or hair thinning. Dendy Engelman, MD, a board-certified dermatologic surgeon at Medical Dermatology & Cosmetic Surgery in New York City, previously recommended Nutrafol, a research-backed hair supplement, to Prevention. "This uses highly concentrated botanicals to address every stage of the growth cycle," she says. Nutrafol's hair supplements include vitamin E and ashwagandha (an adaptogen that helps balance cortisol levels in the body), among others.
Most people naturally shed about 50 to 100 hairs a day, but sometimes men and women can shed much more, leading to thinning hair, hair loss, and over time, baldness. The causes of this hair loss can be a result of hormones, underlying medical conditions, and even certain medications like antidepressants, high-blood pressure medications, and NSAIDS (non-steroidal anti-inflammatory medications). Sometimes, hair loss is purely genetic and can run in families.
Well, I got the news yesterday – at 61, vital and as healthy as anyone could possible ever wish to be, yep, hair thinning on the vertex and allopecia of the eyebrows, the latter are almost gone. It started probably 10 months ago, still donot know exactly why, but laser skin therapy on my face and arms for those liver spots may have triggered it. I went to see Dr. Shelly Friedman here in Scottsdale, AZ. His assistant is very, very knowledgeable and extremely empathetic and friendly. Long and short: no cure, no idea where it really comes from. BUT, now there is laser therapy, the so-called Laser Cap, FDA approved etc. You put it on 3x/wk for 45 min. at home, you purchase the cap, and within 3 months your hair really becomes fuller and actually it already starts to grow back within 4 weeks. That would be a good solution for the head. You will have to continue doing this for the rest of your life, or until the scientists have found a different solution.
Before men or women invest in hair restoration, consultation and workup by a board-certified dermatologist experienced should be performed first to rule out other medical conditions that may trigger hair thinning and second to maximize medical therapy. Full medical therapy as prescribed and outlined by a board-certified dermatologist must continue in order to protect one's investment in hair transplant such as NeoGraft hair restoration.
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