a) answer your phone calls with the left ear.
b) don't take your medicine with cold water.
c) don't eat heavy meal after 5pm.
d) drink more water in the morning, less at night.
e) best sleeping time is from 10pm to 4am.
f) don't lie down immediately after taking medicine
g) when phone's battery is low to last bar, don't answer the phone, because the radiation is 1000 times stronger.
h) Whenever yo buy recharge cards, don't scratch with nails as it contains Silver Nitro Oxide coating and can cause skin cancer.
i got this tips from my friends. and i spread it by letting you guys know the facts. love ya.