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Last Updated:
Thu, 19 Jan 2017, 06:00 GMT
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Health News - Biology/Biochemistry

Sedentary lifestyle speeds up biological aging, study finds
A new study looks at how a sedentary lifestyle, with little exercise, affects telomere length and leads to biological aging in older women. (Medical News Today)

Brain imaging and causal assessment of impairments reveals metamemory regions
Juntendo University researchers identify areas of the brain responsible for metacognitive memory evaluation in macaque monkeys. (Medical News Today)

Baker's yeast enzyme could help treat leukemia, study suggests
Researchers reveal how an enzyme found in baker's yeast could offer a safer, more effective treatment option for acute lymphoblastic leukemia. (Medical News Today)

Fatty liver: Protein discovery may offer new treatment target
Researchers find that mice low in CPEB4 protein develop fatty liver as they age and that the protein plays a key role in the liver's stress response. (Medical News Today)

White fat converted to 'good' brown fat with anticancer drug
Researchers reveal how a drug used to treat a form of skin cancer converted white fat into beneficial brown fat and reduced weight gain in mice. (Medical News Today)

Senescence promotes chemotherapy side effects and cancer relapse
Standard chemotherapy is a blunt force instrument against cancer - and it's a rare cancer patient who escapes debilitating side effects from systemic treatments that mostly affect dividing cells... (Medical News Today)

Every meal triggers inflammation
When we eat, we do not just take in nutrients - we also consume a significant quantity of bacteria. (Medical News Today)

Sensory stimuli control dopamine in the brain
Regardless of whether we are sitting in a loud aeroplane or walking through a quiet forest clearing, how humans perceive their environment depends on the stimuli. (Medical News Today)

Cell division study opens new leads against hard-to-treat cancers
A protein that controls cell division also has a key role in switching genes on and off, scientists have found, in a discovery which could reinvent cancer treatment. (Medical News Today)

How well do we understand the relation between incorrect chromosome number & cancer?
Over a century ago, a German-born scientist experimenting with impregnated sea urchin eggs had an insight that led to one of the first modern theories of cancer. (Medical News Today)

Scientists discover master regulator of cellular aging
Scientists at The Scripps Research Institute (TSRI) have discovered a protein that fine-tunes the cellular clock involved in aging. (Medical News Today)

'Housekeepers' of the brain renew themselves more quickly than first thought
Cells in the brain responsible for detecting and fixing minor damage renew themselves more quickly than previously thought, new research has shown. (Medical News Today)

Diabetes: Stimulating bone stem cells may improve fracture repair
Bone fractures do not heal well in people with diabetes. A new study of mice suggests a protein that stimulates skeletal stem cells may offer a solution. (Medical News Today)

Neurons modulate the growth of blood vessels
A team of researchers at Karlsruhe Institute of Technology (KIT) shake at the foundations of a dogma of cell biology. (Medical News Today)

Spread of triple-negative breast cancer could be halted with existing drug
Researchers find a class of drugs used to treat estrogen receptor-positive breast cancer might also reduce the spread of triple-negative breast cancer. (Medical News Today)

Researchers discover surprising process behind sense of touch
Biologists on the Florida campus of The Scripps Research Institute (TSRI) have discovered a new mechanism that likely underlies how we feel force or touch. (Medical News Today)

Autoimmunity and infections: When the body fights itself
Basel-based doctors are on the trail of a possible connection between autoimmune diseases and infections: errors can occur when immune cells absorb certain proteins from pathogen cells. (Medical News Today)

Cancer cells' ability to break free and spread arises from 'broken switch'
Study finds that a broken switch allows cancer cells to shrug off shape-changing and movement constraints of their extracellular matrix to grow and spread. (Medical News Today)

Premenstrual mood changes linked to abnormalities in gene network
Researchers have uncovered evidence that a dysregulated gene network may be responsible for mood changes in a severe form of premenstrual syndrome. (Medical News Today)

Chemical alteration may speed up insulin availability
Tweaking the structure of insulin by swapping one atom appears to make it available to the organism more rapidly, without altering its effectiveness. (Medical News Today)

Inflammation halts fat-burning
Scientists at the University of Bonn have shown in mice that excess pounds can simply be melted away by converting unwanted white fat cells into energy-consuming brown slimming cells. (Medical News Today)

Oddly shaped immune cells cause fibrosis
Scientists at the Immunology Frontier Research Center (IFReC) at Osaka University, Japan, report a new group of monocytes they call SatM. (Medical News Today)

The secret behind the toughness of deer antlers
Scientists from Queen Mary University of London (QMUL) have discovered the secret behind the toughness of deer antlers and how they can resist breaking during fights. (Medical News Today)

Why big brains are rare
As a species we're so brain-proud it doesn't occur to most of us to ask whether a big brain has disadvantages as well as cognitive benefits. (Medical News Today)

Toeing the line: Study finds brain cells that signal path of travel
Imagine you're navigating a city like New York, or any other that's laid out on a grid. Suppose you run into a roadblock as you're heading north. (Medical News Today)

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