A variety of meditative practices have been studied by Western researchers
for their effects on mental and physical health and to reduce stress:
Tai Chi
An active exercise, sometimes called moving meditation, involving extremely
slow, continuous movement and extreme concentration. The movements are to
balance the vital energy of the body but have no religious significance. Studies
are mixed, some finding it can reduce blood pressure in patients, and others
finding no effect. It can help elderly people improve balance.

Transcendental Meditation
Meditators sit comfortably, eyes closed, and breathe naturally. They repeat
and concentrate on the mantra, a word or sound chosen by the instructor to
achieve state of deep, transcendent absorption. Studies suggest it can reduce
blood pressure in some patients.
Mindfulness meditation is easy to describe.
Sit in a comfortable position, eyes closed, preferably with the back
upright and unsupported. Relax and be aware of body sensations, sounds
and moods. Allow your mind to settle into the rhythm of breathing.
Try to maintain this for at least ten minutes. If a stray thought or emotion
enters the mind, allow it to pass and return attention to the breath. The aim
is to achieve focused awareness on what is happening moment to moment.
After mastering control of attention, you may be able to face a threatening or
troubling thoughts more clearly. Thoughts of anger and sadness are
sometimes lessened. People who have tried mindfulness meditation say they
feel relaxed and more able to deal with difficult problems.
(Provided by RealAge):
Could you boost your immunity with your own brainpower?
A study involving mindfulness meditation revealed that the practice boosted
immune system function in participants. Mindfulness meditation is the
practice of becoming deeply aware of the present moment through meditation.
The stress-reduction qualities of this practice may be the source of its
immune-boosting powers.
(Provided by Psychology Today):

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