Research Roundup: November 2020
High Protein Linked to Lower Risk of Death.
A higher protein diet may lower mortality risk, and greater plant protein intake may also reduce risk of death from cardiovascular disease (CVD), according to researchers. A review of 32 studies with over 715,000 participants reported the highest protein intake was linked with lower all-cause mortality, compared with lowest protein intake. There was no significant association between animal protein intake and CVD death but there was between plant protein and CVD death. Replacing foods high in animal protein with plant protein could be associated with longevity.
(The BMJ, July 2020)
Fasting Effective for Weight Loss.
Time-restricted feeding (TRF) reduced body weight by about three percent in adults with obesity, researchers say. In the first human clinical trial on fasting, adults with obesity followed either a four-hour, a six-hour, or an unrestricted eating window without calorie restriction for eight weeks. Those on TRF consumed about 550 fewer calories per day and reduced body weight, insulin resistance, and oxidative stress, versus those without time restrictions. There was no significant difference in results between the four- and six-hour groups.
(Cell Metabolism, July 2020)
Vitamin D, Calcium may Reduce Vertigo.
Vitamin D and calcium supplements twice a day may lower incidence of vertigo, according to researchers in Korea. A group of 957 participants with benign paroxysmal positional vertigo were divided into two groups based on their vitamin D levels. Those with low levels took 400 international units of vitamin D and 500 milligrams of calcium twice daily, and the other group did not. The supplement group had about 24 percent reduced vertigo recurrence versus those not taking supplements.
(Neurology, August 2020)
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