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Study under review: Effect of n-3 long-chain polyunsaturated fatty acids on mild cognitive impairment: a meta-analysis of randomized clinical trials.
What was the question?
The authors of this study wanted to determine whether the existing research literature suggests that omega-3 fatty acid supplementation improves cognition in older adults with mild cognitive impairment.
Why was the question worth asking?
How was the question answered?
What was the answer?
How much should you trust the answer?
What’s the take-home?
Other Articles in Issue #64 (February 2020)
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A higher protein diet for 48 hours can create a negative energy balance
Swapping carbs for protein may help people with obesity and prediabetes keep the weight off.
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Deep Dive: Does early exposure reduce food allergies in infants?
Most early exposure studies to date looked at the effects of early exposure to a single potential allergen. Here, we cover a secondary analysis of a study that used six potentially allergenic foods.
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Pomegranate’s possible UV-B(enefits)
Pomegranate contains compounds that could help skin become more resistant to UV-B radiation. How well does it actually work, though?
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Interview: Matt Stranberg, MS, RDN, LDN, CSSD, CSCS
Dietitian and exercise scientist Matt Stranberg covers the ins and outs of disordered eating and problematic physical activity in this detailed interview.
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Deep Dive: Investigating the effects of folate and zinc on male fertility
While folate and zinc are essential for processes necessary for male fertility, it may be possible to have too much of a good thing.
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Deeper Dive: Elevated protein intake can benefit lean mass
People who resistance train got the biggest bang for the buck, but the benefit is less clear in other populations.
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Nulls: November–December 2019
Welcome to the first installment of NERD Nulls — a rapid-fire roundup of some nutritional studies that didn’t find a clear effect!