CVDs is the number one killer worldwide. CVD is cardiovascular disease. Common cardiovascular diseases are ~ coronary heart disease cerebrovascular disease peripheral arterial disease rheumatic heart disease congenital heart disease deep vein thrombosis pulmonary embolism According to WHO , 17.7 million died from CVDs in 2015. This comprises 31% of all causes of death worldwide. An alarming 7.4 million died of coronary heart disease; 6.7 million died of stroke.

As of 2015, there are more than 900 million older people worldwide, according to WHO . These are people aged 60 years and older. Around 141 million, ie 1 in 6, older people experience some form of abuse: psychological, financial, neglect, physical, and sexual. Elder abuse is defined as actions or lack of appropriate action which can cause harm or distress to an older person. By 2050, the number of elderly worldwide will reach 2 billion.