Climate Change

Physical distancing, face masks, and eye protection to prevent person-to-person transmission of SARS-CoV-2 and COVID-19

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes COVID-19 and is spread person-to-person through close contact. This review investigated the effects of physical distance, face masks, and eye protection on virus transmission in health-care and non-health-care settings. The review covered “172 observational studies in health-care and non-health-care settings across 16 countries and six continents; 44 comparative studies were included in a meta-analysis, including 25 697 patients…

See more

Lack of sleep linked to cardiovascular problems

We know that sleep is vital for humans. Lack of sleep, sleep disruption, changes in sleep habits, and more can lead to real problems–physical and mental. For example, we know that not getting enough sleep leads to millions of lost work days and a huge annual economic loss … a problem especially severe in the United States. And, we know that sleep disruption and lack…

See more

The use of face masks/face shields to prevent transmission of COVID-19 and other infectious diseases–are they effective?

How effective is wearing face masks and/or face shields in preventing the transmission of COVID-19 and other infectious diseases? Recommendations in the United States, at least, have varied often depending upon who issued them–politicians or medical professionals. Quick bibliography: What does the research say about the effectiveness of wearing face masks and/or face shields to prevent the transmission of infectious diseases? *Eikenberry, S. E., Mancuso,…

See more

A healthy lifestyle equals more years of life without major diseases

Connections: “Various healthy lifestyle profiles appear to be associated with extended gains in life lived without type 2 diabetes, cardiovascular and respiratory diseases, and cancer.”  What does this mean?/background: Healthy habits add up to 10 disease-free years to your life, study reveals. NHS: Behind the Headlines, January 9, 2020. Research: Nyberg, S. T., Singh-Manoux, A., Pentti, J., Madsen, I. E. H., Sabia, S., Alfredsson, L.,…

See more

Cloud cover, plants, and a changing climate

“Cumulus clouds make a significant contribution to the Earth’s energy balance and hydrological [water] cycle and are a major source of uncertainty in climate projections.” Sikma, M., & Jordi Vilà‐Guerau, d. A. (2019). Substantial reductions in cloud cover and moisture transport by dynamic plant responses. Geophysical Research Letters, 46(3), 1870-1878. [PDF] [Cited by] “With an average daily occurrence of around 25% in midlatitude and tropical…

See more

Freshwater, drought, and climate change

Lack of freshwater for human consumption and agricultural use is a growing and very serious problem globally–including in rich countries like the United States.  As an example, rivers in many countries are experiencing significantly reduced flows due to warmer temperatures, longer and more frequent droughts, less snow and less winter precipitation, and the need to serve more and more people. Quick bibliography: Recent research about…

See more