In which cancer symptoms and ordinary human experience are rolled together and marketed as the same thing (which ashwagandha ...

One study found that women at high risk of breast cancer had a shifted cortisol cycle. Cortisol is a hormone which normally reaches peak levels at dawn and then declines during the day.

Secreted by the adrenal glands, cortisol follows a precise 24-hour cycle, aligning with our circadian rhythms to regulate wakefulness, alertness, and the transition to rest. However, when this rhythm ...