Swimming after eating can lead to cramps and drowning
Reason: After eating, blood gets shunted to the digestive tract and away from exercising muscles. That can lead to a build up of lactic acid in your muscles, so swimming after lunch could cause a sudden cramp.
Honey speeds healing
Reason: It creates a moist, antibacterial environment that promotes tissue growth for mild to moderate burns.
Ginger is good for stomach upsets
Reason: It can reduce nausea aiding good digestion
Sleeping in air-condition is not so good apart from comfortness
Reason: Air-conditioners dry out the protective layer of mucus along nasal passages, which make it easier for a virus to infect.
Going out with tied wet hair, you'll catch cold
Reason: Some research indicates that a wet head aids cold viruses to take hold by tightening blood vessels in the nose and make it harder for white blood cells to reach the viruses and fight them off.