1) Hair follicles can be affected by some drugs. Check with your doctor or research for yourself the side-effects for your medication. Some cancer treatments, immune suppressants, some arthritis treatments can affect hair growth.
Solution – talk to your doctor.
2) Bold patches could be caused by ring worm, causing inflamed areas.
Once the ringworm has cleared up the hair will return.
3) Bold patches without inflammation and irritation could be alopecia areata.
Solution – see your doctor
4) Having a baby can affect some women, as the hair thins due to hormone imbalances. Generally the hair loss is temporary.
Solution – this situation resolves itself in a few months when the hormones have settled.
5) Feeling tired, sensitive to cold, gaining weight for no reason? This could be due to an under active thyroid (hypothyroid) and hair loss can be another symptom.
Solution – get some tests done and once treatment starts, hair growth returns.
6) Home perms, over coloring, bleaching or harsh shampoos could be effecting healthy hair growth. They are full of toxic chemicals.
Solution – go to a good hair dressers they can advise on kinder milder hair products.
7) Maybe you are too aggressive to your hair, with vigorous brushing, braiding, pulling, over styling with a hot hairdryer, heated tongs, heated straighteners, heated curlers etc
Solution – go to the hair dresser and discuss with them a more natural style.
8) Stress can affect different people in different ways, maybe for you it is hair loss.
Solution – find better ways of coping
9) Nutritional deficiencies can affect hair growth.
Solution – make some dietary changes and take a Vitamin B complex and zinc
10) Some women lose hair during the menopause, due do to hormonal imbalances.
Solution – look at taking some herbal support like red clover, dong qai, or chase berry (agnus castus), black cohosh, and make some healthy dietary changes.

