The duration of alopecia areata varies and depends greatly on the person affected. Even if one recovers from alopecia areata, there is a chance that it may come back again in the future. More »

There can be many different treatments for alopecia or hair loss, include the use of minoxidil, finasteride, spironolactone, corticosteroids, hair transplants and the use of lasers, as noted by WebMD. Although there are ... More » Health Conditions & Diseases

Effective alopecia treatments include applying anthralin ointment or cream, using a 5 percent solution of minoxidil, or cortisone injections, states the National Alopecia Areata Association. Hair may grow again even in u... More » Beauty & Fashion Hair Chemical Hair Treatments

According to WebMD, the medical reasons for alopecia, or hair loss, in children include tinea capitis, alopecea areata, trichotillomania, telogen effluvium, nutritional deficiency and endocrine problems. Non-medical caus... More » Health Conditions & Diseases

The duration of sunspots varies greatly as some of them only last hours, while others can last for many months. The longest-lasting known sunspot, which lasted 6 months, was recorded in 1943. Sunspots have an enormous va... More »

The duration of an adrenaline surge varies by the individual as well as the type of stress causing the alarm within the body, explains HowStuffWorks. If the adrenaline surge comes from seeing a cat stuck up in a tree, th... More »

Migraine length varies from person to person, but the majority of migraines last anywhere from four to 72 hours, according to Everyday Health. How long a migraine lasts depends on the type of migraine it is. Migraines la... More » Health Conditions & Diseases