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Health News - Biology/Biochemistry

Transport breakdown in brain cells may lead to Alzheimer's, Parkinson's
New research in mice and flies suggests that failure to transport molecules that break down proteins in neurons may lead to neurodegenerative diseases. (Medical News Today)

Researchers find over 40 new species of fish in one lake
Researchers have found dozens of new fish species in just one African lake — a feat of diversity. The find also proves a key point in evolutionary biology. (Medical News Today)

Study reveals how diabetes drug promotes healthy aging
Doctors often prescribe metformin for type 2 diabetes. A new mouse study on its liver mechanisms may explain its wider benefits for health and life span. (Medical News Today)

Do past medicines hold the answer to antibiotic resistance?
As the effectiveness of antibiotics wanes, scientists are looking at medications that preceded them, such as those involving metals and metalloids. (Medical News Today)

How fruit and vegetable compounds help prevent colorectal cancer
While scientists have known for some time that flavonoids can help fight colorectal cancer, the mechanisms have not been clear. Now, a study has found one. (Medical News Today)

How bacteria 'act as one' to escape antibiotics
New research reveals a mechanism by which several conspecific bacteria 'unite' to become more resistant in the fight against antibiotics. (Medical News Today)

Retinal imaging shows promise in early detection of Alzheimer's
A study of 35 people with and without Alzheimer's disease found that hyperspectral imaging of the retina could aid early diagnosis of the disease. (Medical News Today)

Diet, body clock, hormones, and metabolism: What's the link?
A new study of mice has shown how stress hormones control fat and sugar levels in a time dependent way and how a high calorie diet can alter this rhythm. (Medical News Today)

This vitamin D mechanism helps combat melanoma
Scientists have found that manipulating a cell signal, involving vitamin D, can slow the growth of melanoma cells and their advance to the lungs in mice. (Medical News Today)

A guide to female anatomy
Female anatomy includes the external genitals, or the vulva, and the internal reproductive organs. This article looks at female body parts and their functions, and it provides an interactive diagram. (Medical News Today)

Could hair analysis diagnose schizophrenia?
A new study links higher brain levels of hydrogen sulfide to a subtype of schizophrenia and proposes hair levels of a related enzyme as a biomarker. (Medical News Today)

Study challenges link between depression and inflammation
New research applies complex statistical analyses to existing data and casts doubt on the existence of a direct link between depression and inflammation. (Medical News Today)

Preventing herpes infections: Study offers new insights
A new study reveals a key protein that can encourage or slow the progression of the herpes simplex virus 1 and tests a compound that blocks the virus. (Medical News Today)

Could turmeric help solve the antibiotic resistance crisis?
New research uses nanocapsules that contain curcumin, the main ingredient in turmeric, to tackle antibiotic resistant strains of Helicobacter pylori. (Medical News Today)

How do gut microbes help mice extinguish fear memories?
A recent study of how intestinal microbes helped mice unlearn fearful memories sheds new light on the mechanisms through which the gut controls the brain. (Medical News Today)

Brain immune cells may protect against OCD, anxiety
In a new study in mice, scientists have linked a subset of brain immune cells with a defined genetic lineage to obsessive compulsion and anxiety. (Medical News Today)

Could an existing heart drug help treat cancer?
A new study suggests that a heart drug could help treat cancer by killing a wide array of aging cells that may contribute to tumor growth and spread. (Medical News Today)

Brain activity has role in human aging and longevity
After studying human tissue, mice, and worms, scientists link excessive brain activity to reduced life span and find that its suppression can extend life. (Medical News Today)

Gut microbiota may 'prevent and cure' rotavirus
Scientists have found gut bacteria in mice that could cure rotavirus infections, which cause the death of hundreds of thousands of children each year. (Medical News Today)

Parkinson's: New treatment approach shows promise in brain cells
A new study suggests an innovative strategy for tackling an enzyme that is typically affected in Parkinson's disease. The findings show promise in neurons. (Medical News Today)

Scientists liken mitochondria to Tesla battery packs
Using high resolution microscopy, scientists show that mitochondria comprise many bioelectric units rather than a single one, as they previously thought. (Medical News Today)

Could a unique new fungus offer an opioid alternative?
A new discovery in the estuarine waters of Tasmania may lead to the development of a safe and effective alternative to opioids, scientists reveal. (Medical News Today)

Drinks, not food, with added sugar promote weight gain
Research finds that adding sucrose to drinks increases calorie intake and weight gain in mice, but adding the same amount in solid form to food does not. (Medical News Today)

Gut bacteria may counter the harmful effects of processed foods
A new mouse study identifies a specific bacterium that lives in our gut and breaks down harmful chemicals from processed foods into harmless byproducts. (Medical News Today)

Alzheimer's disease: Brain immune cells may offer new treatment target
A new study attributes the link between tau protein clumping and brain damage in Alzheimer's disease to brain immune cells called microglia. (Medical News Today)

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