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Study under review: Low-fat diets and testosterone in men: Systematic review and meta-analysis of intervention studies
Does the amount of dietary fat, as opposed to carbohydrate, influence testosterone levels in men?
Other Articles in Issue #80 (June 2021)
Mini: Phytonutrient supplements for cardiovascular disease markers
A recent umbrella review summarized the effects of plant-based supplements for cardiovascular disease markers. Be careful with directly comparing the numbers they report though!
Deeper Dive: A Mendelian randomization study sheds light on the effects of polyunsaturated fatty acids on heart disease
This study explored whether genes that bump specific PUFA blood levels led to heart disease and found some evidence for the possible benefits of EPA.
Deeper Dive: Can regular exercise and a good diet attenuate age-associated cognitive decline?
This large four-year trial found surprisingly little benefit from diet and exercise on brain health of older people. Here, we explore some possible reasons for this finding.
Interview: Elisabeth Bik, PhD
Microbiologist and scientific integrity consultant Elisabeth Bik discusses her background, the chilling effect of legal threats on scientific discourse, and more.
CBD and pain: mechanism, mind, or both?
This study explored whether CBD's analgesic effect comes from its impact on people's biology or psychology.
Meat in Mediterranean diets: helpful or hurtful for the heart?
How does adding increasing amounts of lean red meat to a Mediterranean diet affect lipids and lipoproteins? This study aimed to find out.
Deeper Dive: Does red meat worsen glycemic control and inflammation?
This meta-analysis suggests that red meat doesn't impact glycemic control or inflammation in healthy adults, at least in the short term.