The time interval between phase reference points (for example, two peaks) is called the period. Expression of endogenous circadian rhythm when subjects are isolated from external cues, such as the ...

The rhythm of the circadian clock is controlled by the interaction between negative and positive feedback loops, consisting of crucial clock regulators (including Bmal1 and Clock), three cycles (mPer1 ...

Results: Our results show that jet lag exposure in both LD cycles (to a greater extent in 8:16 LD) increased the fold-change of circadian gene expression in the SCN relative to the dark onset. The ...

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.

If you’ve ever experienced irregular bowel movements during your period, you’re not alone. Your menstrual cycle can lead to symptoms like bloating, cramping, and changes in your bowel movements.

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 ...

Cramps aren’t always a sign of menstruation. Many people develop cramps when they don’t have their period. There are various causes of cramps with no period. Issues related to pregnancy are often to ...

Though it’s an unexpected symptom, dizziness can occur during your period. Reproductive problems like heavy menstrual bleeding, period pain, and hormonal changes may cause dizziness. Or, the hormonal ...

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 ...

Although many methods allow for period-like bleeding, it isn’t necessary. In some cases, bleeding may slow or stop entirely. True menstruation occurs after ovulation when the ovary releases an ...

List your movie, TV & celebrity picks.