"This condition is also called androgenic alopecia. In this there is a loss of hair seen with increase in age which affects only individuals who are genetically predisposed.

Male Patterned Baldness : It usually starts around 25 years of age. Initially thickness of the hair shaft decreases followed by a decrease in density of hair. It typically starts by first affecting the hairline and then proceeding towards the back of the scalp.

Female Patterned baldness : Typical age of onset is seen at about 30 years. Early signs include widening of hair partition and thinning of pony tail. It is often associated with PCOS.

This condition is genetic (self) and/ or familial (family history) in nature. "

Well to be honest hair cannot grow back with the same density after balding. The only way to treat hair loss is to control the same when it is happening and hence earlier the intervention the better. There are known injectable treatments that dermatologists use for stimulating hair growth, but these too cannot create miracles and can only aid so much.

Patterned balding is genetic (self) and/ or familial (family history) in nature. While other types of balding may be environmental or physiological.

Being a genetic or familial condition, patterned balding can occur starting in early twenties. There is not much that can be done but to try controlling the same through medications and treatments.

Well hair washing when done excessively leading to dryness and damage of hair can definitely cause accelerated hair loss and should be avoided.

Absolutely. And to this list I would add hair colour and chemical treatments like cysteine therapy.