Diseases such as cancer are thought to be best treated using both the body and the mind, in order to boost the immune system in every way. Our immune systems do far more than simply fend off the common cold. Social support, for example, can significantly improve a person’s condition and extend the life of a cancer patient. In studies looking at victims of cancer, researchers found that women who attended support groups lived twice as long as those who didn’t, on average. A study in Los Angeles at the University of California found that patients who had survived cancer for a minimum of five years and attended group therapy lived three times as long as those who didn’t attend any therapy sessions. It seems that relying on others to boost our mood when we’re ill could help us fight conditions and diseases far more effectively. When people are grieving, their T-cells and the natural killer cells in the body, both of which are important for defending the immune system, function far less effectively. By being supported and comforted by friends and family members, this aspect of the immune system may well be bolstered. However, people who are depressed and anxious may suffer the opposite effect.
In a study involving 4825 healthy individuals, 146 of them were depressed. In those who had been depressed for a minimum of six years, the chances of developing cancer were far higher. This is thought to be because of the fact that this condition kills of the natural ‘killer’ cells, so the body doesn’t fight off diseases. This isn’t to say that depression can cause cancer, but it does signify that depression and related issues such as anxiety can lower one’s immunity to the disease. This makes it not only a risk for cancer, but also other diseases. There are however other theories that suggest that cancer may cause depression, with a study discovering that in 43 liver tumour patients there was a direct link between clinical depression and an immune modulator. The chemical which is released when our immune system fights cancer is the same substance that may trigger depression biologically. Although this may seem like bad news, it is actually the opposite. It provides researchers with new tools for treating cancer – it also highlights the link between the mind and other diseases. Taking the time to meditate and de-stress is important in order to strengthen the immune system, so that we can better fight off illnesses.
Leading a stress-free lifestyle as best you can is one of the best ways to fight off anxiety and depression. This means doing plenty of exercise, which can boost your mood and release endorphins to keep you happy, as well as eating a balanced diet that’s rich in brain-healthy foods. Oily fish, plenty of fruit and vegetables, and omega-rich nuts and seeds will ensure that you’re happy through your food. Take time to meditate and relax at least a few times a week, so that you don’t overload your mind with worries and stress – this can be anything from some alone time each week to spending time with friends and loved ones. Lowering your stress levels and ensuring you lead a healthy lifestyle will not only help to reduce the risk of depression but it will also stave off other health concerns such as heart disease, stroke and certain cancers. If you think you’re at risk of developing depression, or think you’re displaying signs of cancer, speak to your GP as soon as possible for advice on the situation.
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