Far more hot days and air conditioning (and thus less vitamin D) later this century
Number of days hotter than 95 degrees each year Climate Desk
Many places in the Southern US will have 95+ degree days for more than 4 months/year


See also Vitamin D Life
Hypothesis – China air conditioning disease is the result of less vitamin D – March 2011
Diabetes rising quickly in areas with recent air conditioning – June 2011
Air Conditioning probably has decreased vitamin D which has the following
- one researcher wrote in the 1970's 'Cattle, swine, rate, goats, and the US Army men all eat more when the temperature is low than when it is high"
- Obesity epidemic may be related to increased air conditioning in two ways
- cooler temperatures
- less sunshine/vitamin D
In 50 years more power will be used for Air Conditioning than for heating
