What makes you age faster?

Smoking, excessive drinking, being out in the sun for long periods of time, especially without sunblock or protective clothing.

Reading some of the unhinged political posts here and realizing that these people actually get to vote! And it counts!

Straight face. Look at my profile pic for reference :)

Increase oxygen dencity.

Stress

Stress.

How can someone 21-25 age badly???

did she mean physically or in livelity

Not taking good care of yourself.

Stress, poor diet, lack of exercise.

Children

Smoking, drinking too much, drugs, stress, being in the sun constantly

Outdoor lifestyle.Stress,smoking and we all age at different rates too.

Getting married. My hair went grey soon after.