Onions are natural antibiotics They might make your breath pong but onions contain allicin, a powerful antibiotic that also protects the circulatory system.
Eat chocolate, live longer Hurray! Harvard University scientists say that eating a couple of chocolate bars a week could extend your life by almost a year.
Grapefruit juice can stop medicine working If you're taking medication, avoid washing it down with grapefruit juice as there is evidence that it prevents some drugs being broken down.
Eating curry could help prevent Alzheimer's According to a report in the Journal of Biological Chemistry, a yellow pigment used in curry, curcumin, can stop amyloid plaques in the brain that cause the condition.
Sniffing a lemon could help you beat asthma The UK's 5.1 million asthmatics could find lemons ease their symptoms. Studies in rats found that breathing improved after they inhaled limonene, the chemical that gives lemons their smell.
Garlic can cure mouth ulcers and verrucas Here's an old wives' tale that works: halve a clove of garlic, squeeze, and apply a drop of the juice to the offending growth at bedtime.
You can have too little salt Too much salt isn't good for us but not getting enough can trigger low blood pressure in those susceptible. Consult your GP before making any major diet changes.
Barbecued-food can cause cancer Eating meat that's chargrilled or burnt could lead to stomach, pancreatic, colon and breast cancer because it creates high levels of carcinogenic compounds.
Watermelon is good for the prostate. Men will be glad to know that the red flesh contains the antioxidant Lycopene, which helps keep the prostate gland healthy.
Artificial sweeteners can make you fat Research by US scientists shows that artificial sweeteners such as fructose change the body's metabolism, making it more likely you'll gain weight.