TED-Ed: Why do some people go bald? - Sarthak Sinha

The video explores the topic of baldness, discussing its historical perception and the scientific understanding of hair growth. It explains the structure of hair and the phases of the hair growth cycle. The causes of baldness, such as genetics and stress, are examined, along with the role of dihydrotestosterone (DHT) in male pattern baldness. The video also highlights scientific advancements in hair restoration, including drugs and stem cell research, offering hope for those experiencing hair loss.

What is the primary protein that makes up the visible part of our hair?

• Melanin

• Collagen

• Keratin

• Elastin

Which phase of the hair growth cycle is known for active hair growth?

• Catagen

• Telogen

• Exogen

• Anagen

What hormone is primarily responsible for male pattern baldness?

• Cortisol

• Dihydrotestosterone (DHT)

• Estrogen

• Insulin

Which scale is used to measure the severity of hair loss in men?

• Hamilton Scale

• Norwood Scale

• Fitzpatrick Scale

• Ludwig Scale

What is one method scientists are exploring to encourage hair regrowth?

• Aromatherapy

• Acupuncture

• Stem cell manipulation

• Laser therapy