Question

why do some people suffer from some handicaps​

Answer 1

some people are effected by diseases like polio and paralysis etc..

and some are handicapped by birth due to incomplete nourishment and changes at the embryo level..

Answer 2

Disabilities can occur at birth but in some cases, disabilities acquired in later life. Common disabilities include physical deformities that affect the upper and lower limbs,manual dexterity problems, inability to coordinate body organs and others.The cause of disability may be due to old age,a viral infection such as polio,a hereditary condition and paralysis or amputation.