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      Forty percent of the 12 million people diagnosed with cancer each year could avert the killer disease with protection against infections and lifestyle changes, experts said on Tuesday ahead of World Cancer Day on Feb. 4. The number of global cancer deaths is projected to increase by 45 percent from 2007 to 2030 (from 7.9 million to 11.5 million deaths), influenced in part by an increasing and ageing global population. Here are some facts about cancer: * WHAT IS CANCER? -- Cancer is a generic term for a large group of diseases that can affect any part of the body. Other terms used are malignant tumours and neoplasms. -- A defining feature of cancer is the rapid creation of abnormal cells that grow beyond their usual boundaries, and which can then invade adjoining parts of the body and spread to other organs. This process is referred to as metastasis. Metastases are the major cause of death from cancer. * KEY RISKS: -- Some key risk factors for cancer that ca...

Eating habits that you suspect may not be right but still carry on with anyway. 1. Can I drink diet soda every day?    A can or two isn't likely to hurt you. There's no credible evidence that the artificial sweeteners and chemicals in these cause cancer. But diet soda is not a health drink, although it saves you calories. One soda a day-regular or diet-increases your risk of obesity and type 2 diabetes. Go for fruit juice or skimmed milk. Or sip water through the day, with a squirt of lemon added for variety. 2. Are chicken eggs good or bad for cholesterol?   If you are healthy, the recommended dietary cholesterol limit is about 300 mg a day (200 mg if you have heart disease, diabetes or high blood cholesterol). One large egg has about 213 mg of cholesterol-all in the yolk. So it's perfectly fine if you eat an egg on a given day and limit other sources of cholesterol for the rest of the day. If you like eggs but don't want the extra cholesterol, use only the ...

London, Feb 1 (IANS) Researchers have cracked a key riddle that has foxed scientists for decades, potentially opening the way to better treatment of HIV, says a new study. Imperial College London and Harvard University researchers have grown a crystal that reveals the structure of an enzyme called integrase, which is found in retroviruses like HIV. When HIV infects someone, it uses integrase to paste a copy of its genetic information into their DNA. Prior to the new study, funded by the Medical Research Council and the US National Institutes of Health, many researchers had tried and failed to work out the 3-D structure of integrase bound to viral DNA. New antiretroviral drugs for HIV work by blocking integrase, but scientists did not understand exactly how these drugs were working or how to improve them. Researchers can only determine the structure of this kind of molecular machinery by obtaining high quality crystals. For the new study, researchers grew a crystal using a ve...