We've loosely known that owning pets and gardening can lift a black mood, but a new study confirms that people who garden are less likely to display signs associated with unhappiness or depression.

The poll of 1,500 UK adults for Gardeners' World magazine found that gardeners score higher than the average person on measures including how worthwhile they believe their life is and how satisfied they are with their life generally.

It found 80% of gardeners feel satisfied with their lives compared with 67% for non-gardeners, and 93% of gardeners think gardening improves their mood.

gardening

Dr Paul Zollinger-Read, Chief Medical Officer for Bupa said to HuffPost UK Lifestyle: "There's no doubt that being outside in the fresh air, being in touch with nature, feeling the seasons and watching plants grow and flower can do your mental wellbeing wonders.

"Having good mental wellbeing (or mental health) is just as vital as physical health, reducing your risk of depression or anxiety. In fact, why not prescribe gardening for depression? Doctors prescribe gym referrals; why not allotment referrals? Not only can gardening boost mental health, a good stint of digging and wedding is also great exercise."

When asked if they were happy yesterday, 80% of active people said yes compared with 57% of those who described themselves as inactive.

The most popular hobby in the UK is computing or gaming, with 52% of respondents naming it as their favourite pastime, while gardening came joint second at 43% with walking or hiking, according to the study.

Dr Sheri Jacobson, Psychotherapist & Clinical Director from Harley Therapy said: "While I haven't come across anyone claiming that gardening has single-handedly overcome their depression, as part of a wider set of tools, gardening can beneficial in the battle against depression.

"Being in the outdoors in more natural surroundings can help lift our mood as it brings a sense of simplicity and tranquility which is therapeutic for many people, and in contrast to many urban workplaces. In fact there is a growing trend for city building design to incorporate roof gardens or internal gardens, with the aim of improving the working environment for its employees.

gardening

"Serotonin from the sun (when it does shine!) is reported to have mood-lifting properties. This is why sun-lamps have come to the market and many people find them beneficial for a condition known as seasonal affective disorder . Sunlight is known to affect the production of serotonin and lack of it can mean that messages between nerve cells are not being transmitted effectively, which can result in low mood. When sunlight is present, the reverse is true and mood can be elevated.

"Also, gardening entails nurturing small plants or seeds into larger plants and flowers. There is an element of care-giving and being responsible for the growth and blossoming of life. This is an activity which, similar to caring for a pet, can help with feeling worthwhile and purposeful, and thus helping to combat depression."

Professor of environment and society at the University of Essex, Jules Pretty, said: "Scientific research at a number of universities, including at the University of Essex, now clearly shows that engagement with green places is good for personal health. We also know that short-term mental health improvements are protective of long-term health benefits.

"A challenge for policymakers is that recommendations on physical activity are easily stated but rarely adopted widely as public policy. Yet those people and households with gardens will probably engage with them on a regular basis.

"Active living is more likely to be effective if physical activity becomes an inevitable part of life rather than a matter of daily choice. This could have significant long term impacts both on individual health and costs of health services."

ICM polled 1,500 UK adults online between April 18 to 25.

If you have any further questions about depression, please visit the Mind website.

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  • Summer Weather

    Seasonal Affective Disorder (SAD) is most commonly associated with winter blues, and it afflicts about 5 percent of Americans. But for less than 1 percent of those people, this form of depression strikes in the summer. Warm weather depression arises when the body experiences a "delay adjusting to new seasons," says Alfred Lewy, MD, professor of psychiatry at Oregon Health and Science University, in Portland. Instead of waking and enjoying dawn, the body has a hard time adjusting, he says, which could be due to imbalances in brain chemistry and the hormone melatonin. <strong>More from <a href="http://www.Health.com" target="_hplink">Health.com</a>:</strong> <a href="http://www.health.com/health/gallery/0,,20419609,00.html" target="_hplink">10 Tips for Dating With Depression</a> <a href="http://www.health.com/health/gallery/0,,20483493,00.html" target="_hplink">The Most Depressing States in the U.S.</a> <a href="http://www.health.com/health/gallery/0,,20428990,00.html" target="_hplink">Depressing Jobs: Career Fields With Hight Rates of Depression</a>

  • Smoking

    Smoking has long been linked with depression, though it's a chicken-or-egg scenario: People who are depression-prone may be more likely to take up the habit. However, nicotine is known to affect neurotransmitter activity in the brain, resulting in higher levels of dopamine and serotonin (which is also the mechanism of action for antidepressant drugs). This may explain the addictive nature of the drug, and the mood swings that come with withdrawal, as well as why depression is associated with smoking cessation. Avoiding cigarettes -- and staying smoke free -- could help balance your brain chemicals.

  • Thyroid Disease

    When the thyroid, a butterfly-shaped gland in the neck, doesn't produce enough thyroid hormone, it's known as hypothyroidism, and depression is one of its symptoms. This hormone is multifunctional, but one of its main tasks is to act as a neurotransmitter and regulate serotonin levels. If you experience new depression symptoms -- particularly along with cold sensitivity, constipation and fatigue -- a thyroid test couldn't hurt. Hypothyroidism is treatable with medication.

  • Poor Sleep Habits

    It's no surprise that sleep deprivation can lead to irritability, but it could also increase the risk of depression. A 2007 study found that when healthy participants were deprived of sleep, they had greater brain activity after viewing upsetting images than their well-rested counterparts, which is similar to the reaction that depressed patients have, noted one of the study authors. "If you don't sleep, you don't have time to replenish [brain cells], the brain stops functioning well, and one of the many factors that could lead to is depression," says Matthew Edlund, M.D., director of the Center for Circadian Medicine, in Sarasota, Fla., and author of "The Power of Rest."

  • Facebook Overload

    Spending too much time in chat rooms and on social-networking sites? A number of studies now suggest that this can be associated with depression, particularly in teens and preteens. <a href="http://news.health.com/2010/02/03/internet-addicts-more-prone-depression/" target="_hplink">Internet addicts</a> may struggle with real-life human interaction and a lack of companionship, and they may have an unrealistic view of the world. Some experts even call it "Facebook depression." In a 2010 study, researchers found that about 1.2 percent of people ages 16 to 51 spent an inordinate amount of time online, and that they had a higher rate of moderate to severe depression. However, the researchers noted that it is not clear if Internet overuse leads to depression or if depressed people are more likely to use the Internet.

  • End Of A TV Show Or Movie

    When something important comes to an end, like a TV show, movie, or a big home renovation, it can trigger depression in some people. In 2009, some "Avatar" fans reported feeling depressed and even suicidal because the movie's fictional world wasn't real. There was a similar reaction to the final installments of the Harry Potter movies. "People experience distress when they're watching primarily for companionship," said Emily Moyer-Gusé, Ph.D., assistant professor of communication at Ohio State University, in Columbus. With "Avatar," Moyer-Gusé suspects people were "swept up in a narrative forgetting about real life and [their] own problems."

  • Where You Live

    You can endlessly debate whether city or country life is better. But research has found that people living in urban settings do have a 39 percent higher risk of mood disorders than those in rural regions. A 2011 study in the journal Nature offers an explanation for this trend: City dwellers have more activity in the part of the brain that regulates stress. And higher levels of stress could lead to psychotic disorders. Depression rates also vary by country and state. Some <a href="http://www.health.com/health/gallery/0,,20483493,00.html" target="_hplink">states have higher rates</a> of depression and affluent <a href="http://news.health.com/2011/07/25/depression-affluent-nations/" target="_hplink">nations having higher rates</a> than low-income nations. Even altitude may play a role, with <a href="http://news.health.com/2010/09/21/is-high-altitude-linked-to-suicide-risk/" target="_hplink">suicide risk</a> going up with altitude.

  • Too Many Choices

    The sheer number of options available -- whether it's face cream, breakfast cereal or appliances -- can be overwhelming. That's not a problem for shoppers who pick the first thing that meets their needs, according to some psychologists. However, some people respond to choice overload by maximizing, or exhaustively reviewing their options in the search for the very best item. Research suggests that this coping style is linked to perfectionism and depression.

  • Lack Of Fish In The Diet

    Low intake of omega-3 fatty acids, found in salmon and vegetable oils, may be associated with a greater risk of depression. A 2004 Finnish study found an association between eating less fish and depression in women, but not in men. These fatty acids regulate neurotransmitters like serotonin, which could explain the link. Fish oil supplements may work too; at least one study found they helped depression in people with bipolar disorder.

  • Poor Sibling Relationships

    Although unhappy relationships with anyone can cause depression, a 2007 study in the American Journal of Psychiatry found that men who didn't get along with their siblings before age 20 were more likely to be depressed later in life than those who did. Although it's not clear what's so significant about sibling relationships (the same wasn't true for relationships with parents), researchers suggest that they could help children develop the ability to relate with peers and socialize. Regardless of the reason, too much squabbling is associated with a greater risk of developing depression before age 50.

  • Birth Control Pills

    Like any medication, the pill can have side effects. Oral contraceptives contain a synthetic version of progesterone, which studies suggest can lead to depression in some women. "The reason is still unknown," says Hilda Hutcherson, M.D., clinical professor of obstetrics and gynecology at Columbia University, in New York. "It doesn't happen to everyone, but if women have a history of depression or are prone to depression, they have an increased chance of experiencing depression symptoms while taking birth control pills," Dr. Hutcherson says. "Some women just can't take the pill; that's when we start looking into alternative contraception, like a diaphragm, which doesn't contain hormones."

  • Rx Medications

    Depression is a side effect of many medications. For example, Accutane and its generic version (isotretinoin) are prescribed to clear up severe acne, but depression and suicidal thoughts are a potential risk for some people. Depression is a possible side effect for anxiety and insomnia drugs, including Valium and Xanax; Lopressor, prescribed to treat high blood pressure; cholesterol-lowering drugs including Lipitor; and Premarin for menopausal symptoms. Read the potential side effects when you take a new medication, and always check with your doctor to see if you might be at risk. <strong>More from <a href="http://www.Health.com" target="_hplink">Health.com</a>:</strong> <a href="http://www.health.com/health/gallery/0,,20419609,00.html" target="_hplink">10 Tips for Dating With Depression</a> <a href="http://www.health.com/health/gallery/0,,20483493,00.html" target="_hplink">The Most Depressing States in the U.S.</a> <a href="http://www.health.com/health/gallery/0,,20428990,00.html" target="_hplink">Depressing Jobs: Career Fields With Hight Rates of Depression</a>