Medical Notes: The Ticking Clock On Male Fertility, Why FDA Research Needs To Be More Inclusive, And The Shocking Effects A Specific Diet Has On Breast Milk

FDA drug trials may not be getting enough information.

A study published in the journal Communications Medicine reveals that just six percent of clinical trials for approved drugs accurately reflect America’s racial and ethnic makeup. A majority of this research isn’t testing how genetic differences affect the treatment outcomes. And with science trending towards personalized medicine, there are fears that much of the population will be left behind.

Is there a ticking clock on male fertility?

Research has shown a link between older fathers and higher risks of obesity and stillbirth – and now we might know why. New research in the EMBO Journal reveals that the RNA inside sperm changes with age. When old sperm was used to create embryos in mice, the cells showed genetic changes associated with metabolism and neuro-degeneration. The results suggest that older sperm negatively impacts the health of the offspring.

Building public trust in science may rely on appearances.

According to a new study in Nature Human Behaviour, many Americans – particularly women and people of color – report higher levels of confidence in scientific claims when they see themselves represented among the researchers. The findings suggest that demographic inclusiveness is not just symbolic, but essential for ensuring that scientific information successfully influences public policy and decision-making.

How a woman’s diet majorly affects her breast milk.

It’s common knowledge that breast milk is impacted by what the mother eats, but a new study has made a shocking revelation. Eating whole-food beef produces different types of fat in the milk compared to a plant-based substitute. Milk from women who ate the vegetarian option had lower levels of fats that support neurodevelopment and higher levels of saturated fats found in ultra-processed food. The research is published in the American Journal Of Clinical Nutrition.

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