I'm a big fan of Self-Determination Theory (SDT).  SDT is a general theory of motivation and personality that has evolved over the past three decades.  SDT suggests that humans, like plants or other animals, intrinsically 'strive' for need satisfaction & flourishing.  Social context and personal choices can support or thwart this need striving with major effects for health and wellbeing...

There are a series of interesting recent research studies here highlighting the drastic reduction in physical exercise taken by young people as they move into their teenage years, the fascinating protective association between muscular strength and mortality in men even allowing for cardiorespiratory fitness and other potentially confounding factors, the impressive reduction in acute coronary...

There was an interesting request on JISCmail (see note below), the listserv for BABCP cognitive-behavioural therapists, asking about podcasts on mindfulness.  Several people wrote in with useful suggestions.  These included:

I don't know if this is exactly what you are looking for, but you can...