This is an audio version of the Wikipedia Article:
Foods


00:01:19 1 Food sources
00:02:25 1.1 Plants
00:04:22 1.2 Animals
00:05:33 2 Classifications and types of food
00:05:49 2.1 Adulterated food
00:06:30 2.2 Camping food
00:08:12 2.3 Diet food
00:09:36 2.4 Finger food
00:10:55 2.5 Fresh food
00:11:40 2.6 Frozen food
00:12:58 2.7 Functional food
00:13:54 2.8 Health food
00:14:27 2.9 Healthy food
00:16:51 2.10 Kosher foods
00:17:29 2.11 Live food
00:18:32 2.12 Medical food
00:20:03 2.13 Natural foods
00:21:32 2.14 Negative-calorie food
00:22:14 2.15 Organic food
00:24:18 2.16 Peasant foods
00:25:35 2.17 Prison food
00:26:07 2.18 Seasonal food
00:26:41 2.19 Shelf-stable food
00:28:11 2.20 Space food
00:29:06 2.21 Traditional food
00:30:09 2.22 Whole food
00:31:47 3 Production
00:33:32 4 Taste perception
00:34:08 4.1 Sweet
00:35:03 4.2 Sour
00:35:36 4.3 Salty
00:36:38 4.4 Bitter
00:36:59 4.5 Umami
00:37:29 5 Cuisine
00:39:03 5.1 Presentation
00:39:28 5.2 Contrast in texture
00:39:59 5.3 Contrast in taste
00:40:22 5.4 Food preparation
00:41:13 5.4.1 Animal preparation
00:42:24 5.4.2 Cooking
00:43:42 5.4.2.1 Cooking equipment
00:45:41 5.4.3 Raw food preparation
00:46:55 5.5 Restaurants
00:48:19 5.6 Food manufacturing
00:49:43 6 Commercial trade
00:49:52 6.1 International food imports and exports
00:51:33 6.2 Marketing and retailing
00:53:38 6.3 Prices
00:56:27 6.4 As investment
00:58:47 7 Famine and hunger
00:59:36 7.1 Food aid
01:00:35 8 Safety
01:03:19 8.1 Allergies
01:04:41 8.2 Other health issues
01:06:10 9 Diet
01:06:19 9.1 Cultural and religious diets
01:06:54 9.2 Diet deficiencies
01:07:52 9.3 Moral, ethical, and health-conscious diets
01:08:56 10 Nutrition and dietary problems
01:10:18 11 Legal definition
01:11:14 12 Types of food



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- Socrates



SUMMARY
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Food is any substance consumed to provide nutritional support for an organism. It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals. The substance is ingested by an organism and assimilated by the organism's cells to provide energy, maintain life, or stimulate growth.
Historically, humans secured food through two methods: hunting and gathering and agriculture. Today, the majority of the food energy required by the ever increasing population of the world is supplied by the food industry.
Food safety and food security are monitored by agencies like the International Association for Food Protection, World Resources Institute, World Food Programme, Food and Agriculture Organization, and International Food Information Council. They address issues such as sustainability, biological diversity, climate change, nutritional economics, population growth, water supply, and access to food.
The right to food is a human right derived from the International Covenant on Economic, Social and Cultural Rights (ICESCR), recognizing the "right to an adequate standard of living, including adequate food", as well as the "fundamental right to be free from hunger".