Health News - Genetics

How whales and dolphins evolved for life at sea
New research identifies 85 genes, the loss of which may have allowed whales, dolphins, and other cetaceans to adapt to life in an aquatic environment. (Medical News Today)

New three-sexed roundworm species has 'extreme arsenic resistance'
Scientists have found a new ringworm species that has three sexes and is resistant to 500 times the arsenic concentration that would kill a human. (Medical News Today)

Best foods to eat with cystic fibrosis
In this article, we list some of the best foods for people with cystic fibrosis to eat to help boost their energy intake and nutrient status, even during periods of appetite loss. (Medical News Today)

Body clock influences how well the immune system works
Current research in mice demonstrates that body clocks play a crucial role in how effectively certain immune cells respond when triggered to become active. (Medical News Today)

What is the average weight for a 13-year-old?
The average weight for 13-year-olds is different for boys and girls, and puberty and genetics can also factor in. Learn about the average weight and BMI for a 13-year-old here. (Medical News Today)

What is the mechanism behind compulsive sexual behavior?
A new study searches for the molecular mechanism at the core of compulsive sexual behavior. Changes in the regulation of two genes may be key, it suggests. (Medical News Today)

Mouse study sheds new light on fat formation
A recent study in mice has found a new biological mechanism that regulates the formation and accumulation of white fat tissue, a key factor in obesity. (Medical News Today)

Cancer: Why drug testing needs to improve
A new study finds that many new cancer drugs may not work in the way their developers think they do, which could have implications for their effectiveness. (Medical News Today)

Scientists discover the structure of cancer molecule
New research from the United Kingdom has now revealed the structure and function of a molecule that may help cancer develop and become treatment resistant. (Medical News Today)

Has a small trial stumbled upon a way to reverse biological aging?
A small clinical trial has found that an experimental treatment meant to reverse the aging of a key player in the immune system achieved a lot more. (Medical News Today)

Average life expectancies for cystic fibrosis
Several factors affect cystic fibrosis life expectancy, and averages vary by age. This is partly due to recent advances in treatment and care. Learn more here. (Medical News Today)

How to stop or reduce a stutter
There is no cure for a stutter, but there are several steps that can help a person reduce stuttering. These steps include quick tips and long term treatment. Learn about them here. (Medical News Today)

What is the rarest blood type?
The rarest blood type is called Rhnull. Only around 1 in every 6 million people have Rhnull blood. Learn about other blood types and their compatibilities in this article. (Medical News Today)

Scientists identify genetic components of left-handedness
In a genetic analysis of 400,000 people, scientists have, for the first time, identified four DNA regions associated with left-handedness. (Medical News Today)

'Highly complex' gene interaction underlies same-sex sexual behavior
A large-scale study analyzing the genetic data of thousands of people indicates that the genetic factors underlying same-sex sexual behavior are complex. (Medical News Today)

Cystic fibrosis carriers: What to know
Cystic fibrosis is a prevalent condition that people can be carriers of without knowing. Testing is available to help a person find out whether cystic fibrosis (CF) might affect them or their child. (Medical News Today)

Diabetes, obesity: Is gene editing the answer?
In a new study in obese, diabetic mice, researchers used a modified CRISPR gene editing tool to reduce body weight and improve signs of type 2 diabetes. (Medical News Today)

What is an MTHFR mutation?
An MTHFR mutation is the mutation of a gene that regulates the production of a specific enzyme. This type of mutation can potentially lead to a number of health conditions. Learn more here. (Medical News Today)

What is Lynch syndrome?
Lynch syndrome is a genetic condition that increases a person’s risk of developing colorectal cancer. Learn more about its symptoms, diagnosis, and treatment here. (Medical News Today)

What to know about cystic fibrosis in children
Cystic fibrosis (CF) is a genetic disorder that doctors usually diagnose in early childhood. Find out about the diagnostic procedure and the treatments that may help reduce CF symptoms. (Medical News Today)

Could targeting variants of this gene help fight Alzheimer's disease?
Researchers have found variants of a gene that influence Alzheimer's disease risk through their effect on a cerebrospinal fluid protein. (Medical News Today)

Type 1 diabetes: Genetic risk reflected in gut microbiome
New research has revealed that children at a high genetic risk of type 1 diabetes have 'distinct changes' in their gut microbiome. (Medical News Today)

Can a person catch cystic fibrosis from someone else?
Cystic fibrosis (CF) is not contagious. People only have the condition if they inherit specific faulty genes from both parents. Learn more about why people get CF here. (Medical News Today)

Harmful hospital bacteria evolved 'in response to modern diets'
New research shows how and why one of the most dangerous species of hospital bacteria has evolved and warns that it continues to adapt to modern factors. (Medical News Today)

Pancreatic cancer cells spread by 'educating' the tumor environment
Why does pancreatic cancer spread? The answer may lie in a previously unknown set of molecules that help cancer cells shape the environment around tumors. (Medical News Today)

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