How does physical fitness/exercise helps with the following diseases? High Blood Pressure, Diabetes and Stress.

Physical fitness/exercise makes your heart stronger. A stronger heart is able to pump more blood with less effort.

don't compare yourself to others, this is a big one because due to photoshop and surgery people have this unrealistic image of what they should look like in their head.

think about good qualities you have and jot them down so can go back when you're feeling down about yourself.

make sure you have good hygiene, bathing often, face routine, brushing teeth.

if you'd like to change something set a realistic goal! (;

well, it depends. it is natural to not fall asleep before 11: 00 p.m. teens need about 8-10 hours of sleep each night to function best.

enjoy your day!