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Breastfeeding and children’s sleep duration at 1 year of age: A nationwide birth cohort – The Japan Environment and Children’s Study. Observational, rife with self reporting bias and disparity of socioeconomic factors.
Medical Mythbusting Commentary for July 21, 2026 Source:Breastfeeding or formula? Japanese researcher was ‘really surprised’ by results of this study Reference:Breastfeeding and children’s sleep duration at 1 year of age: A nationwide birth cohort – The Japan Environment and Children’s Study
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Do I give the study that claims in just 7 minutes each day you could extend your life buy a year any credence? Absolutely not.
Medical Mythbusting Commentary for February 12, 2026 Source:In Just 7 Minutes Each Day, You Could Extend Your Life by a Year—Scientists Reveal How Reference:Minimum combined sleep, physical activity, and nutrition variations associated with lifeSPAN and healthSPAN improvements: a population cohort study Study Background: Cohort study from UK Biobank with 59,078 adults aged 40-69. Measured sleep…
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Not much evidence based on study design to suggest that catching up on sleep on weekends may help lower heart disease risk.
Medical Mythbusting Commentary for August 30, 2024 Source:Sleeping longer on the weekend may help lower heart disease risk
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Unpublished observational study presented at the European Society of Cardiology conference reports that poor sleep could lead to increased cardiovascular disease risk.
Medical Mythbusting Commentary for August 30, 2022 Source:Poor sleep could lead to higher likelihood of heart disease and stroke: study
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Thursday catchup: Light and sleep do not mix. How climate change will affect allergy sufferers.
Medical Mythbusting Commentary for March 17, 2022 Source:Allergy season will start much earlier than normal and be far more intense because of climate crisis, study suggests Close the blinds during sleep to protect your health Reference:Projected climate-driven changes in pollen emission season length and magnitude over the continental United States Light exposure during sleep impairs…
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Do not lose any sleep over this study
Medical Mythbusting Commentary for December 13, 2019 Source:Long naps, more than 9 hours of sleep tied to increased likelihood of stroke Reference:Sleep duration, midday napping, and sleep quality and incident stroke The Dongfeng-Tongji cohort
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There is no “key” point in this sleep study of teens because it does not have the power to demonstrate cause and effect. The media has to stop hyping observational studies as if they were double-blinded randomized controlled trials.
Health Headlines Commentary for June 4, 2019 Source: Quality, not quantity is key in teens’ sleep habits: B.C. study Reference: Chronic sleep disturbance, not chronic sleep deprivation, is associated with self-rated health in adolescents
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Blocking blue light from screens before bedtime and its effect on teens sleep patterns presented in this study however it only evaluated 25 people and has not been published.
Health Headlines Commentary for May 22, 2019 Source: Study of teenagers finds blocking out blue light from screens can improve health and wellbeing
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New guidelines published for sleep and physical activity for children
Health Headlines Commentary for November 20, 2017 Source: New guidelines released on physical activity, sleeping habits for children Reference: Canadian 24-Hour Movement Guidelines for the Early Years (0–4 years): An Integration of Physical Activity, Sedentary Behaviour, and Sleep