Hair diseases and hairlessness are interrelated. One cannot be thought about without the other.

Common baldness causes
No single factor can be marked out as the universal cause of hair diseases. There are any causes changing from personage to personage.

The two types of hairlessness diseases
The hair loss causes be able to be broadly divided into the after two groups –

The impermanent effect and  the one involving a prolonged action, usually triggered by genetics.

a.)    The impermanent effect – Generally such cases be able to be cured by medications and treatments.
b.)    Prolonged hair loss diseases – Such cases may want long term remedy. Sometimes the drug therapy might look to be unproductive. In such circumstances surgery like hair transplantation may be the way.

The causes of impermanent hairlessness include the ones like child birth, using birth control pills, etc.
Another key factor be able to be hormonal imbalance. It be able to have a severe impact by causing pattern baldness. The latter comes in the list of major hair diseases.

Relation between hair diseases and hairlessness
It is sometimes establish that a particular hair loss cause is more widely related to a particular hair disease. In this context one can refer to the acquired hair shaft defects. These defects are widely triggered by the excessive utilize of hair treatments and styling products.

Similarly, infectious diseases have their root in unhygienic scalp.

The common causes of baldness diseases –

The common causes of hair loss diseases include the following –
•    Hormonal imbalance
•    Ailment 
•    Faulty hair styling
•    Deficient diet
Hormonal Imbalance
In men – Hormonal imbalance is a biggest cause of baldness diseases between men. The male hormone testosterone plays a key role in actuating hair loss. The enzyme 5 alpha reductase in the hair follicles turns testosterone into dihydrotestosterone (DHT). The latter is the maximum potent androgen promoting guy pattern hair loss, the mutual hairlessness disease.

In women – Imbalance in thyroid hormone is a key cause of sudden hairlessness among women. The thyroid gland’s being n the state of overactive and under active might cause hair fall. Thyroid hormones largely influence cellular metabolism of scalp proteins, carbohydrates, lipids and minerals. And the hair matrix cells are highly affected by the thyroid hormones’ excess otherwise deficiency.

Hormonal imbalance too causes baldness during pregnancy. Pregnancy witnesses a high stage of estrogen hormones. This causes hair follicles percentage in anagen growth phase. But post-child birth there is a fast fall in the estrogen level. Consequently a big number of hair follicles shift to a catagen phase. And gradually hair falls.

Women may too understanding baldness during post-pregnancy period. It is usually impermanent in nature. But if it continues for months, then it may indicate hormonal imbalance in the body. And hormonal imbalance for an extended period requires proper medication.

Ailment
Any of the serous ailments like high fever, severe infection, or flu may lead hair follicles to a resting phase. This condition called telogen effluvium results increased hair fall. But it is a temporary condition soon to be followed by normalcy.

Any cancer treatments also keep away from the hair fiber growth. The hair becomes thin and breaks off. And gradually baldness occurs. The condition starts within one to three weeks following the beginning of the chemotherapy therapy. The therapy may witness the patients losing up to 90 percent of their scalp hair.

Faulty hair styling

It means using certain hair styling techniques resulting in baldness diseases like traction alopecia. In this condition the hair fibers are pulled out from the hair follicle by a hairstyle that pulls on the roots of the hair fibers. One example of such faulty hair styling is braiding cornrowing.

Cosmetic treatments like bleaching, coloring or else hair straightening like chemical relaxing be able to too create problems if correct method is not followed.
Deficient diet
Taking up crash diets for rapid weight loss may lead to hairlessness. Such diets are low in protein, vitamins and minerals, thus causing malnutrition. Abnormal eating habits lacking best nutrients be able to too answer into baldness.