Recent research in animals has suggested infrared A, may play a role in skin cancer when combined with exposure to UVB. Infrared A may also contribute to ageing of the skin. Scientists suggest it alters some of the biological processes involved in maintaining healthy skin cells, affecting the production of collagen, the protein that acts as scaffolding for the skin.

In the first study of its kind, researchers from the Universities of Bristol, Cambridge and Oxford examined the diets and lifestyles of nearly 14,000 men aged 50 to 69.

Meanwhile, an earlier study suggested that certain vegetables such as carrots, lettuce, spinach and tomatoes could help improve sperm quality; sperm motility – how quickly a sperm can swim towards an egg and sperm morphology – the size and shape of a sperm (for the best chance of successfully conceiving, a sperm should have an oval head and a long tail).

They found that those who ate at least ten portions of tomatoes a week were 18 per cent less likely to develop prostate cancer compared to those who had none, or very few. One portion counted as 150g of tomatoes, half a tin of baked beans, a portion of pizza with tomato puree, tomato-based pasta sauce or a glass of tomato juice

Researchers think that protection against the illness comes from a key chemical inside the fruit known as lycopene. Tomato-based pasta sauce, tomato juice and even baked beans and the tomato puree topping on pizza were all found to have a beneficial effect.

Scientists say men who doubled their intake of fruit and vegetables to the recommended five portions a day reduced their risk by nearly a quarter.

Also, another study published last year found that just ten helpings of tomatoes a week could help men reduce the risk of prostate cancer by almost a fifth.

The recent heat sent many of us reaching for the sunscreen. But now, some experts are warning this may not protect us against a potentially harmful sunray: infrared.

SOURCE: Guardian news

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