Your circadian rhythm is your body’s internal clock. Light, sleep patterns, hormones, meals, and temperature can all influence your circadian rhythm, which in turn can influence your overall health.

Late or missed menstrual period Late period: 5 or more days late compared to normal menstrual cycle Missed period: no menstrual flow for more than 6 weeks Teen not using any birth control that stops ...

1 School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China 2 Beijing Tongzhou District Hospital of Integrated Traditional Chinese and Western Medicine, Beijing, ...

Recent research has revealed the molecular factors that influence daily variations in muscle endurance and has identified circadian-based nutritional strategies that help alleviate muscle and ...

Regions in grey denote periods in darkness. B. +Tamoxifen animals show a reduced circadian period C: Graph showing the distribution of activity in −Tamoxifen and +Tamoxifen animals over 24 hours in a ...

One study found that 73% of women experience GI issues during their cycle. Here's what you need to know about period poops and how to find relief. If you’ve ever noticed changes in your bathroom ...

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Objectives The circadian clocks are internal timing mechanisms that drive ∼24-hour rhythms in a tissue-specific manner. Many aspects of the physiology of the intervertebral disc (IVD) show clear ...

Circadian rhythms are governed by a master clock, a group of neurons called the suprachiasmatic nucleus, located in a region of the brain called the hypothalamus. This master clock translates cues ...

Circadian rhythms are the regular, daily cycles of biological processes or activities, including the regular and predictable variation in the levels of many circulating hormones, ions and the ...