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The Smoking 'damages eyes as well as lungs'

Millions of people in the world are putting their sight at risk by continuing to smoke, warn specialists.

Despite the clear connection, only one in five people recognise that smoking can lead to blindness, a poll for the Association of Optometrists (AOP) finds.

Smokers are twice as likely to lose their sight compared with non-smokers, says Doctors.

That is because tobacco smoke can cause and worsen a number of eye conditions.

Cigarette smoke contains toxic chemicals that can irritate and harm the eyes.

Oranges, grapes and carrots contain cancer-fighting

Oranges, grapes and carrots may contain cancer-fighting compounds that closely resemble those used in licensed drugs, research suggests.

A study found that out of more than 7,900 molecules within fruits and vegetables, 110 have the potential to battle tumours, according to Daily Mail.

This was based on the molecules' likeness to compounds found in existing anti-cancer medications.

Fruits and vegetables are rich in antioxidants called flavonoids, which give them their colour.

Flavonoids may help prevent cancer by suppressing inflammation, controlling cell replication and even inducing tumour 'suicide'.

'Rewiring nerves' reverses hand and arm paralysis

Nerves inside paralysed people's bodies have been "rewired" to give movement to their arms and hands, say Australian surgeons.

Patients can now feed themselves, put on make-up, turn a key, handle money and type at a computer.

Paul Robinson, 36 from Brisbane, said the innovative surgery had given him independence he had never imagined, according to BBC.

Completely normal function has not been restored, but doctors say the improvement is life-changing.

Injuries to the spinal cord stop messages getting from the brain to control the rest of the body. The impact is paralysis.

People are drinking collagen powder for its anti-aging benefits, but how safe is it?

“Collagen is a structural protein made up of amino acids that's found naturally in the connective tissue of our bodies, such as our skin, hair, muscles, bones and even blood vessels,” Keri Gans, registered dietitian nutritionist and author of The Small Change Diet, tells Yahoo Lifestyle. “It is essentially the ‘glue’ that holds our body together, enables us to move and find stability.”

Adds Joshua Zeichner, MD, director of cosmetic and clinical research in Mount Sinai Hospital’s department of dermatology, “Collagen is the main protein in our skin that provides structure and support.”

And it’s that structure and support that plays a role in keeping skin looking smooth, firm, and wrinkle-free.

Leg fat 'better than belly fat' for older women

Carrying more fat on legs compared with the stomach protects postmenopausal women from heart disease, a study says.

Women of a healthy weight with the highest risk of stroke or heart disease had the most belly fat and the least hip and thigh fat, the European Heart Journal research found, according to BBC.

The scientists said "apple-shaped" women should try to lose belly fat and become more "pear-shaped".

More research is needed to find out why the link exists, a heart charity said.