The first Gallup World Poll has found that while money can increase your satisfaction with life, it really can’t buy happiness. Researchers found that cash was not necessarily correlated with positive feelings and enjoyment:

An analysis of findings from a study of 136,000 people in 132 countries also suggests that there is no single prescription for happiness, which depends on many factors, including local culture and expectations.

"The public always wonders: Does money make you happy?" Ed Diener, PhD, professor emeritus of psychology at the University of Illinois and a senior scientist with the Gallup Organization, says in a news release. "This study shows that it all depends on how you define happiness, because if you look at life satisfaction, how you evaluate your life as a whole, you see a pretty strong correlation around the world between income and happiness."

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A drizzle of olive oil a day may help keep breast cancer at bay. Scientists say it launches an attack on tumors, stunting their growth and protecting against potentially cancerous damage to DNA:

The Spanish scientists, from the Universitat Autònoma de Barcelona, set out to find out why previous studies had linked an olive oil-rich diet, to lower odds of various cancers.

In experiments on rats, they showed that olive oil thwarts a gene that drives the growth of breast tumours. The oil, a cornerstone of the Mediterranean diet, also switched off proteins that cancer cells rely on to stay alive.

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Sleep may be the answer for forgetfulness. A study in the journal Psychological Science shows that if you plan a task and sleep on it, you'll have better luck remembering to do that task the next day:

A series of tests involving 24 university students found that students who slept after processing and storing the idea of a planned task were more likely to carry out their intentions than those who tried to tackle their plan before going to sleep.

They also found that the ability to follow through on a planned action isn't so much a function of how firmly that intention is embedded in the memory. It's actually a place, situation or circumstance encountered the next day that triggers a person's recall of their intended action.

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