Scientists close in on blood test for Alzheimer's

An Alzheimer's blood test "doesn't have to be perfect" to be useful for screening, one expert explained

Scientists are closing in on a long-sought goal a blood test to screen people for possible signs of Alzheimer's disease and other forms of dementia.

Doctors are hoping for something to use during routine exams, where most dementia symptoms are evaluated, to gauge who needs more extensive testing. Current tools such as brain scans and spinal fluid tests are too expensive or impractical for regular check-ups.

Doctors called the new results "very promising"

Dementia: Lifestyle changes that could lower your risk

Nearly everyone can lower their risk of dementia, even if it runs in the family, by living a healthy lifestyle, research suggests.

Dementia: Everything you need to know about the greatest health challenge of our time

What counts as a healthy lifestyle?

The researchers gave people a healthy lifestyle score based on a combination of exercise, diet, alcohol and smoking.

The study showed there were 18 cases of dementia per 1,000 people if they were born with high risk genes and then led an unhealthy lifestyle.

Good gut bacteria 'helps starving children'

A diet rich in bananas, chickpeas and peanuts improves gut bacteria in malnourished children, helping kick-start their growth, research suggests.

These foods were found to be particularly good at boosting healthy microbes, in a US study of children in Bangladesh, according to BBC.

The growth of bones, brains and bodies is then more likely.

The World Health Organization said about 150 million children under five around the world were malnourished.

As well as being weak and small, many malnourished children end up with incomplete or "immature" communities of bacteria in the gut, compared with healthy children of the same age.

Bladder cancer 'attacked and killed by common cold virus'

A strain of the common cold virus can infect and kill bladder cancer cells, a small study suggests.

All signs of the disease disappeared in one patient, and in 14 others there was evidence that cancer cells had died.

University of Surrey researchers said the virus could "help revolutionise treatment" for the cancer and reduce the risk of it recurring, according to BBC.

A bladder cancer charity called the study "very exciting" if larger studies confirmed the findings.

Supplements do barely anything to protect you from heart disease or early death, study finds

Most nutritional supplements offer no protection against an early death, a major review has found.

Multivitamins, fish oil and antioxidants are among the products taken by millions of people which make no difference to mortality rates, experts found.

A team of academics at West Virginia University in the US analysed 277 trials, involving a combined 1 million people, to determine the effects of 16 different nutritional supplements and eight dietary interventions, according to Daily Mail.