Study under review: The effect of zinc supplementation on blood pressure: a systematic review and dose-response meta-analysis of randomized controlled trials
The authors wanted to determine if zinc supplementation could have a significant, beneficial effect on blood pressure in people with hypertension.
Other Articles in Issue #68 (June 2020)
Measuring the effects of meal timing on post-meal glucose using high and low GI meals
Eating foods with a higher glycemic index earlier in the day may help with glycemic control...at least in otherwise healthy people.
Deep Dive: Workouts for NERDs—Boosting cognition through specific types of exercise
According to this meta-analysis, exercise can boost brain power, but some types seem to work better than others.
Nulls: March-April 2020
Our latest quick summary of nutrition studies that didn't find clear evidence of an effect!
The relationship between vitamin C supplementation and exercise remains unclear
Vitamin C supplementation could reduce post-exercise inflammation and oxidative stress, which in turn could boost recovery. But more evidence is needed to say whether or not this is the case.
Low calorie sweeteners: friend or foe in bodyweight management?
Swapping sugar for sweeteners is somewhat slimming sometimes.
Coffee's effect on vascular health
This meta-analysis aimed to explore the experimental evidence for coffee's impact on vascular health. However, it may have missed its mark.
Interview: Joel Fuhrman, MD
We chat with Dr. Fuhrman about his latest book, Eat for Life, and the principles of the Nutritarian diet.