some people may not eat meat thus vegrtarianism best for every one at all times
That is true 
some af the religious people that originated from an ancient people may think eating meat is against their rules 
You are correct. They are also called vegans 
the foods like milk and dairy products are obtain by animals but some of the people may use these types of dairy products but their oppose to eat meats.
That is true
in india the foods are hevily influenced byt the religious, cultural people they may not alo\low their family members to eat such products like meat.
Really? Like Buddhist, Hindus and rdgabmomoh
Christmas traditions
Christmas traditions vary from country to country. Christmas celebrations for many nations include the installing and lighting of Christmas trees, the hanging of Advent wreaths, Christmas stockings, candy canes, setting out cookies and milk, and the creation of Nativity scenes depicting the birth of Jesus Christ. Christmas carols may be sung and stories told about such figures as the Baby Jesus, St Nicholas, Santa Claus, Father Christmas, Christkind or Grandfather Frost. The sending and exchange of Christmas card greetings, observance of fasting and special
addition to Manchus, Chinese Mongol, Miao, Muslims, Tibetan, Yao and Yi have a taboo against dog meat. In Indonesia, due to its majority Islamic population, consuming dog meat is prohibited, with exception of Christian Batak and Minahasan ethnic groups that traditionally consumed dog meat.
The Urapmin people of the New Guinea Highlands do not kill or eat dogs, unlike some neighboring tribes, nor do they let dogs breathe on their food.
Prohibited foods Eggs.
Jains abstain from eating eggs. Vegans also abstain from