6. Salmon
All fish is a source of good-quality protein, vitamins, and minerals, but oily fish such as salmon also contains omega 3 fats that reduce blood clotting and inflammation.
Studies show that eating oily fish dramatically recues the risk of having a heart attack, even in older adults.
Omega 3 fats also help to prevent depression, and protect against the onset of dementia. Yep, it's true, fish really is an all-round brain food.
7. Tea
The drink loved by all Britons has a range of useful properties. The caffeine content is helpful for stimulating alertness, mood and motivation.
Tea counts towards the recommended eight cups of fluid daily, which is the minimum to avoid dehydration.
Tea, whether black or green, is a rich source of the antioxidant called catechins. Studies suggest that catechins protect the artery walls against the damage that causes heart disease and prevents formation of sticky blood clots.
Some population studies suggest as little as one cuppa a day seems to offer some protection.
8. Yogurt
Yogurt is an easily absorbed source of calcium. It's also a useful milk subsitute for people who can't digest large amounts of the milk sugar, lactose.
Yogurt has long been credited with a range of therapeutic benefits, many of which involve the health of the large intestine and the relief of gastrointestinal upsets.
The bacteria Lactobacillus GG, added to some yoghurt, are not digested, and reach the large intestine intact where they top up the other friendly bacteria living there.
The friendly bacteria fight harmful bacteria, including Clostridium difficile that can cause diarrhoea after a course of antibiotics.
9. Bananas
It's a myth that bananas are fattening. Bananas are slightly higher in energy than other fruits but the calories come mainly from carbohydrate; excellent for refuelling before, during or after exercise.
All types of fruit and vegetables contain plant chemicals or phytochemicals known as antioxidants. These antioxidants protect cells in the body against damage from free radicals that can cause heart disease and cancer.
Bananas are also jam-packed with potassium that helps lower blood pressure, and vitamin B6 for healthy skin and hair.
10. Brazil nuts
All nuts are generally full of essential vitamins, minerals and fibre. Recent studies suggest that eating a small handful of nuts four times a week can help reduce heart disease and satisfy food cravings.
Brazil nuts are one of the few good sources of selenium that may help protect against cancer, depression and Alzheimer's disease.
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