The blessed days of Hajj are approaching, and Muslim pilgrims are now preparing to travel to the holy sites. Hajj, one of the five main pillars of Islam, has a message for the benefit and well-being of all people, be they Muslim or not. It has a further mission towards all creatures, including animals, birds, plants, etc. It is an annual celebration that gathers millions of people, men and women, from different ages, languages, races, cultural backgrounds, colors, and nationalities in a wonderful unique peaceful scene.
Hajj is obligatory (fard) only with financial and physical ability. This physiological well-being shall be achieved with perfect healthcare precautions, medical assurances and personal hygiene.
Please find below some health tips for pilgrims.
http://www.new-muslims.info/wp-content/uploads/2012/10/health_hajj.swf
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Source: Onislam.net.