D is the rightful answer for this question. Prolonged stress can create and even promote bitter diseases such as cold, flu, and heart disease.
Answer:
Scientists have linked that serveral personal problems risk factors to falling, including muscle weakness, problems with balance and gait, and blood pressure that drops too much when you get up from lying down or sitting
Wll first of all start a little hard to see how much would be the most your friend can do and then go slowly so that the muscle gets used to fast movement but especially with a correct diet that must follow step by step.
I hope this works for you
The year 1886 is regarded as the birth year of the modern car when German inventor Karl Benz patented his Benz Patent-Motorwagen