Research published in Korea by Rowe and colleagues analyzing national health data observed an increased incidence of neurological disorders following COVID-19 vaccination

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Restricting sleep to four hours per night significantly reduces human antibody production in response to vaccines

The technology company Transfer gathers laboratory sensor and video data of human researchers to train robotics systems and smart-glasses guidance overlays for wet-lab procedures

The introduction of mRNA vaccines during the COVID-19 pandemic established rapid-response platform technologies capable of generating infectious disease countermeasures shortly after genomic sequencing

Routine childhood vaccinations against smallpox in the United States were discontinued in 1972

A 10-year longitudinal study of 350 twins published in Science showed that approximately 5,000 of the 20,000 human genes regularly change expression with age

Restricting human sleep to four hours per night from 1:00 AM to 5:00 AM significantly reduces antibody production following vaccination

A Second World War study that exposed conscientious objectors to freezing conditions and cold showers found no increase in cold infection rates

A 2016 study by Gibor Stoermer et al. found that four to five months of winter swimming lowered resting blood pressure in middle-aged adults

In a study by Dr. Susanna Søberg, participating winter swimmers immersed in cold water for one to two minutes per dip

The 2017 Hansen et al. study showed that sleeping at 19 degrees Celsius for one month improved insulin sensitivity

The 2017 Hansen et al. study found that sleeping in a 27 degrees Celsius room decreased brown adipose tissue activation and insulin sensitivity

In a study by Dr. Susanna Søberg, winter swimmers exhibited higher resting skin temperatures outside the cold compared to non-winter swimming controls

A 2017 study by Hansen et al. found that sleeping in a 19 degrees Celsius room for one month increased brown adipose tissue volume

A study by Dr. Susanna Søberg demonstrated that adapted winter swimmers produced less fasting insulin compared to matched controls

The 2016 Gibor Stoermer et al. study demonstrated that a winter swimming season reduced resting heart rate in middle-aged adults

A study by Dr. Susanna Søberg found that winter swimmers exhibited faster glucose clearance from the bloodstream over a two-hour oral glucose tolerance test than controls

In a study by Dr. Susanna Søberg, adapted winter swimmers exhibited a higher rate of bodily heat loss than non-winter swimmers due to enhanced cutaneous vascularization

The 2016 Gibor Stoermer et al. study showed that winter swimming improves insulin sensitivity in middle-aged adults

In 1721, Cotton Mather and Dr. Zabdiel Boylston introduced smallpox variolation to Boston during an outbreak

The 19th-century Leicester Method in England controlled smallpox outbreaks through strict patient quarantine and sanitary measures without mass vaccination