Could the low testosterone problem be a mirage?

Low testosterone (a.k.a. “low T”) is caused by worn out glands no longer able … read more » Could the low testosterone problem be a mirage?

The War of the End of the World: The health puzzle posed by its survivors

The War of Canudos took place in Brazil in 1896 and 1897. Canudos was a settle… read more » The War of the End of the World: The health puzzle posed by its survivors

Maknig to mayn tipos? Myabe ur teh boz

Undoubtedly one of the big differences between life today and in our Paleolithi… read more » Maknig to mayn tipos? Myabe ur teh boz

What is a reasonable vitamin D level?

The figure and table below are from Vieth (1999); one of the most widely cited … read more » What is a reasonable vitamin D level?

Power napping, stress management, and jet lag

Many animals take naps during the day. Our ancestors probably napped during the… read more » Power napping, stress management, and jet lag

Cortisol, stress, excessive gluconeogenesis, and visceral fat accumulation

Cortisol is a hormone that plays several very important roles in the human body… read more » Cortisol, stress, excessive gluconeogenesis, and visceral fat accumulation

Cortisol response to stress is much more elevated with ingestion of glucose than with protein or fat

Cortisol is a hormone that does a number of different things; a jack of all tra… read more » Cortisol response to stress is much more elevated with ingestion of glucose than with protein or fat

Is heavy physical activity a major trigger of death by sudden cardiac arrest? Not in Oregon

The idea that heavy physical activity is a main trigger of heart attacks is wid… read more » Is heavy physical activity a major trigger of death by sudden cardiac arrest? Not in Oregon