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Resistant malaria spreading in South East Asia

Malaria parasites resistant to key drugs have spread rapidly in South East Asia, researchers from the UK and Thailand say.

The parasites have moved from Cambodia to Laos, Thailand and Vietnam, where half of patients are not being cured by first-choice drugs.

Researchers say the findings raise the "terrifying prospect" drug-resistance could spread to Africa, according to BBC.

However, experts said the implications may not be as severe as first thought.

Harvesting energy from the human knee

Imagine powering your devices by walking. With technology recently developed by a group of researchers at the Chinese University of Hong Kong, that possibility might not be far out of reach.

The group describes the technology in Applied Physics Letters. An energy harvester is attached to the wearer's knee and can generate 1.6 microwatts of power while the wearer walks without any increase in effort. The energy is enough to power small electronics like health monitoring equipment and GPS devices.

"Self-powered GPS devices will attract the attention of climbers and mountaineers," said author Wei-Hsin Liao, professor in the department of mechanical and automation engineering, according to Science Daily.

No, coffee does NOT give you cancer - but it doesn't prevent it either

Drinking coffee doesn't put you at any greater risk of dying of cancer than living without coffee does, a new study suggests.

The scientific community has yo-yoed for years between whether coffee causes or prevents cancer, according to Daily Mail.

Now, the latest study of over 46,000 cancer patients from the University of Queensland suggests the answer is, neither.

They found that coffee drinkers are no more likely than anyone else to be diagnosed with or die of cancer.

Although our treatments for cancer have progressed formidably, scientists are still grappling with what its many and complex causes might be.

Despite prevention efforts, the Centers for Disease Control and Prevention (CDC) anticipate that nearly two million men and women will be diagnosed with cancer in 2020 - an increased of 24 percent for men and 21 percent for women over 2010 rates.

Alzheimer's risk 'different in women and men'

Scientists say they may have discovered why more women than men have Alzheimer's disease and dementia.

It has always been thought that women living longer than men was the reason.

But new research presented at an international conference suggests this may not be the whole story, according to BBC.

Differences in brain connectivity and sex-specific genes linked to risk could explain the numbers, the researchers say.

Are sugary drinks causing cancer?

Sugary drinks - including fruit juice and fizzy pop - may increase the risk of cancer, French scientists say.

The link was suggested by a study, published in the British Medical Journal, that followed more than 100,000 people for five years.

The team at Université Sorbonne Paris Cité speculate that the impact of blood sugar levels may be to blame, according to BBC.

However, the research is far from definitive proof and experts have called for more research.