Thermal stress can raise cortisol and suppress testosterone, especially chronically.
Claim:
Under thermal stress, elevated cortisol can reduce testosterone levels, affecting sexually dimorphic traits.
HARDLY BS
Topic
Cortisol
6 claims checked
Fasting can temporarily raise cortisol, but clinical harm in high-cortisol women is unproven.
Claim:
Fasting is not healthy for women who have high cortisol levels.
SOME BS
Systematic reviews show ashwagandha reduces stress and cortisol in chronically stressed adults.
Claim:
Ashwagandha supplementation effectively reduces stress and lowers cortisol levels in humans.
HARDLY BS
Adrenal fatigue is not a recognized medical diagnosis and lacks evidence.
Claim:
Adrenal fatigue syndrome is a recognized medical condition in which overworked adrenal glands produce insufficient cortisol.
TOTAL BS
Caffeine’s alertness effects mainly come from adenosine blockade, not cortisol levels.
Claim:
Consuming caffeine while cortisol levels are elevated reduces the stimulant effect of caffeine compared to when cortisol levels are not elevated.
MOSTLY BS
Chronic cortisol elevation with insulin promotes fat storage and reduces lipolysis.
Claim:
Elevated cortisol levels do not directly prevent fat loss in humans.
MOSTLY BS