“This particular study definitely shows that time-restricted eating can decrease the calorie intake and I think by decreasing the calorie intake you definitely would improve the body weight, which has numerous benefits irrespective of how we arrive at the end goal which is including the cardiovascular risk factors,” Ajay Vallakati, MBBS, physician and clinical assistant professor of internal medicine, the Ohio State University, Columbus, commented on the new study that shows how time-restricted eating helps to lower risk of cardiovascular disease.
The research was led by Amy A. Kirkham, PhD, assistant professor of kinesiology and physical education at the University of Toronto whose team conducted a single-arm feasibility study to determine the benefits of time-restricted eating on the cardiometabolic health of a high-risk population, particularly older breast cancer survivors.
“I became interested in time-restricted eating when I came across the literature, which has really exploded in the last 5 years, showing that it can reduce the number of cardiovascular risk factors,” Kirkham told theheart.org | Medscape Cardiology during an interview.
“However, most of these populations studied have had cardiometabolic conditions, like obesity, type 2 diabetes, prediabetes, and metabolic syndrome, and no one has looked at this,” Kirkham explained why she and her colleagues decided to conduct the study on older women who have survived breast cancer.
They selected 22 participants for the study with a mean age of 66 years and a mean body mass index (BMI) of 31 ± 5 kg/m². At the time of the study, 91% of the participants were under medication (aromatase inhibitors and tamoxifen) while 50% were treated with left-sided radiation.
The participants practiced time-restricted eating (TRE) which means limiting their energy intake to within a given time window, which is usually 8 hours. The next step is to fast for 16 hours (16:8 TRE).
After 8 weeks, findings showed that TRE improved the cardiometabolic health of the participants.
“I think time-restricted eating is a tool we should look at and a bigger study would help us to recommend this for our patients,” Vallakati further told theheart.org | Medscape Cardiology.
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