1) Thyroid Problems
The thyroid is a butterfly-shaped gland found at the front of the neck. It produces hormones that regulate many processes throughout the body. If the gland makes too much or too little thyroid hormone, the hair growth cycle can cause hesitate. But hair loss is rarely the only sign of a thyroid problem. Other symptoms consist weight gain or loss, sensitivity to cold or heat, and changes in heart rate.
2) Alopecia Areata
Alopecia areata causes hair to fall out in startling patches. The convict is the body’s own immune system, which mistakenly attacks healthy hair follicles. In most cases, the damage is not stable. The missing ground usually grow back in six months to a year. In rare cases, people may lose all of the hair on their scalp and body.
When ringworm affects the scalp, the fungus triggers a distinct pattern of hair loss — itchy, round bald patches. Bald fields can appear scaly and red. Ringworm of the scalp is treated with antifungal medication. The fungus is easily spread by direct contact, so family members should be checked for symptoms, too.
Some women may attention their hair seems fuller during pregnancy. That’s thanks to high levels of hormones that keep resting hairs from falling out as they normally would. But it doesn’t last forever. After childbirth, when hormone levels return to normal, those strands fall out quickly. This can mean a surprising amount of hair loss at one time. It may take up to two years for hair to return to normal.
5) The Pill
A little known side effect of birth control pills is the potential for hair loss. The hormones that crush ovulation can cause hair to thin in some women, particularly those with a family history of hair fall. Sometimes hair loss begins when you stop taking the pill. Other drugs linked to hair loss have blood thinners and medicines that treat high blood pressure, heart disease, arthritis, and depression.
6) Crash Diets
You can lose more than weight with a crash diet. People may notice hair fall 3-6 months after losing more than 15 pounds, but hair should regrow on its own with a healthy diet. Be prepared to shed some locks if your diet is very low in protein or too high in vitamin A.
7) Tight Hairstyles
It’s no myth: Wearing cornrows or tight ponytails may confuse the scalp and cause hair to fall out. The same is true of using tight rollers. Let your hair down, and it should grow back normally. Be aware that long-term use of these styles can cause scarring of the scalp and stable hair shading.
8) Cancer Treatment
Hair loss is an infamous side effect of two cancer treatments: chemo and radiation therapy. In their inquiry to kill cancer cells, both treatments can harm hair follicles, triggering dramatic hair loss. But the damage is almost always short-lived. Once the therapy is finished, hair usually grows back.
9) Extreme Stress
Extreme physical or emotional stress can cause a sudden shedding of one-half to three-quarters of the hair on your head. Examples include:
• Serious illness or major surgery
• Trauma involving blood loss
• Severe emotional trauma
The shedding may last six to eight months.