If I exercise less than the recommended 150 minutes/week, will it still benefit my health?

If I exercise less than the recommended 150 minutes/week, will it still benefit my health?

You often recommend exercising for 30 minutes a day, most days of the week. That target intimidates me. Is it worth it for me to exercise less, say 15 minutes, three days a week? Or is there no benefit unless I commit to the full 150 minutes per week?
I’m glad you asked that question, because there are a lot of people who are daunted by the thought of exercising that much — and therefore don’t do it at all. It is true that I do advise 150 minutes of moderate-intensity activity each week. But two recent studies, while not changing my view that 150 minutes is best, show that less than this still brings benefits.
First, let’s establish what we know: Regular exercise protects you against many major diseases. That includes heart disease, diabetes, osteoporosis, depression and even some cancers. In fact, there are no medicines yet invented that can protect you against these diseases as well as regular exercise.
But how much exercise? Two papers published recently have made me think carefully about whether my emphasis on the 150-minute-a-week goal is right for everyone.
One research team analyzed studies of physical activity in over 800,000 people. The more time that people were sitting down each day, the greater their risk of heart disease and cancer. The people who spent the most time sitting down, compared to those who spent the least time, had a 24 percent higher risk of dying prematurely. And they had a 90 percent greater risk of getting diabetes.
Another research team in Denmark compared death rates in regular joggers, light joggers and non-joggers. Light joggers were those who jogged at a slow or moderate pace just two or three times a week, for 60 to 145 minutes. Not surprisingly, the light joggers had much lower death rates than the non-joggers. But surprisingly, the light joggers also had somewhat lower death rates than the regular joggers.
I’m not sure I believe that last result, given what so many other studies have said about the benefits of regular jogging. But I do absolutely believe that regular light exercise brings more health benefits than being sedentary. And the exercise doesn’t need to be jogging.
In other words, exercise is on a spectrum. On one end is no activity; on the other end is 150 minutes or more of exercise per week. In between there is a continuum. You benefit from any level of activity on that continuum.
Here are some suggestions to get more activity into your day:
• Take the stairs instead of the elevator.
• Park farther away from your office, or get off the bus a stop or two earlier.
• Ask a friend to join you for a walk instead of meeting at the coffee shop.
• Walk around the house while chatting on the phone.
• Walk an extra lap around the mall.
• Walk the dog.
• Hop on your exercise bike or treadmill while watching TV.
• Dance with your kids. That’s healthy — and fun. more  

Dear Doctor, kindly reflect on the habit of drinking regular tea that we drink normally, as should one drink tea, if no reasons, if yes how much. if it harmful then what can be the alternative? more  
Good idea n helpful for senior citizens more  
I really appreciate the golden views to keep every one fit, it is really helpful for every body specially the elderly persons. The article is very much concerned for keeping you fit, follow the advice and keep your self healthy all the time. more  
great Rajaji...combination of all above work better including yogasan, pranayam and other . Thanks. more  
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