Cyanide will typically kill you in 2-6 hours
Anorexia and bulimia are life-threatening conditions that should not be overlooked.
Anorexia and bulimia are both definitely life-threatening conditions. Bulimia is where somebody tries binges and then purges to try and prevent weight gain. Anorexia is where people progress through extreme weight loss. The condition is certainly life-threatening considering the person suffering usually refuses to eat or only eats a little calories. Anorexia nowadays is contemplated as 'starvation'.
The papilla or 'Hair Shaft' can be found delivering nutrients to grow the hair.