Hi..dear Mohammed muzamil..,
Thanks for choosing Hcm.,
There is no relation between sex and greying of hairs..,
it is due to Heredo-familial and endocrinal disturbances..,
So why you are worrying ? first concentrate on good nutrition ..,
food and fresh fruits and vegetables...,ok..,
Knee pain and
back pain..,sound in the left knee...,
indicates....Arthritic changes in
Synovial joint..,
consult good Orthopaedic...,he will guide you..,and do neddful..,
ok...good lcuk.,