Cardiovascular disease strategies. A 2015 Cochrane Review found some evidence that interventions aiming to reduce more than one cardiovascular risk factor may have beneficial effects on blood pressure, body mass index and waist circumference; however, evidence was limited and the authors were unable to draw firm conclusions on the effects on cardiovascular events and mortality. For adults without a known diagnosis of hypertension, diabetes, hyperlipidemia, or cardiovascular disease, routine counseling to advise them to improve their diet and increase their physical activity has not been found to significantly alter behavior, and thus is not recommended. Another Cochrane review suggested that simply providing
Saturated fat and cardiovascular disease Keys postulated a correlation between circulating cholesterol levels and cardiovascular disease, and initiated a study of Minnesota businessmen (the first prospective study of CVD). Keys presented his diet-lipid-heart disease hypothesis at a 1955 expert meeting of the World Health Organization in Geneva. In response to criticism at the conference, he set out to conduct the years-long Seven Countries Study. Ancel Keys joined the nutrition committee of the American Heart Association (AHA) and successfully promulgated his idea such that in 1961, with the result that the AHA became the first group anywhere in the world to advise cutting back on saturated