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1 minute of sprinting and 9 minutes of exercise daily can boost aerobic fitness

Sprinting for a minute along with 9 minutes of light exercise can help achieve same aerobic fitness as a 50 minute exercise, a Canadian study claims. Researchers from McMaster University, Ontario enlisted 25 men who previously did no exercise and randomly assigned them to a sprint interval workout or an endurance workout. Sprint workout included warming up for 2 minutes, sprinting for 20 seconds and recovering for 2 minutes. This was done three times until the participant achieved 1 minute of sprinting. The endurance workout consisted of warming up for 2 minutes, sprinting at a moderate pace for 45 minutes and cooling down for 3 minutes. After 12 weeks the two groups showed similar improvements in aerobic fitness. The study was published in journal PLOS ONE. Read more here.

Extending the date of retirement by a year can improve life expectancy

Delaying the age of retirement by a year after 65 can increase life expectancy in senior citizens by 11%, a US study suggests. Researchers from Oregon State University analysed data accumulated from 1992 to 2010 under the Healthy Retirement Study by Michigan University. Out of the 2,956 people about 12% of the healthy and 25.6% of the unhealthy retirees died. But the retirees who worked a year longer the risk of early mortality was 11% lower while in unhealthy retirees who worked a year longer the risk was 9% lower. The study was published in the Journal of Epidemiology and Community Health. Read more here.

Rosemary and lavender smell can boost memory

Fragrance of rosemary or lavender in oil can improve memory and the ability to complete memory tasks faster in older adults, a British study shows. Researchers from Northumbria University enlisted 150 people with an average age of 65 and randomly diffused rosemary or lavender oil in a testing room. Some participants were allocated to the scented room while the rest were sent to the room with no scent. Once in the room the participants were given a memory test. Participants placed in the scented rooms showed enhanced prospective memory compared to participants in the next room. Researchers noted that rosemary increased alertness and lavender improved calmness and contentedness in the participants. Read more here.

Ponytail and knots can damage your hair and scalp

Hairstyles such as tight ponytails, braids, knots and buns leads to Traction alopecia, a condition where hair follicles are damaged due to prolonged or repeated tension on the hair root, a US study warns. Researchers from John Hopkins University analysed 19 previous studies and found that certain hairstyles meant to improve self-confidence can actually cause more damage to hair and scalp. Researchers found that people who keep loose, low-hanging hair styles or even updos face lower risk of traction alopecia. The study was published in Journal of the American Academy of Dermatology. Read more here.

Anti-depressants when combined with fish oil supplements can give better results

Nutrients found in fish oil can increase the effectiveness of anti-depressants for people suffering from depression, an Australian study suggests. Researchers from the University of Melbourne examined 40 global clinical trials and found that Omega 3 fish oil supplements when administered with antidepressants produces better results. Previous studies show that Omega 3s are very good for brain health, but this is the first study which establishes its efficacy for treatment of depression. The study was published in the American Journal of Psychiatry. Read more here.

Compiled by Abhijit Ahaskar

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