भूख

• कुपोषण शब्द का प्रयोग अपर्याप्त आहार या पोषण को व्यक्त करने के लिए किया जाता है।
• अकाल भोजन की व्यापक कमी की स्थिति है। किसी खास क्षेत्र में व्यापक कुपोषण, भूखमरी की स्थिति.
• भूखमरी भूख से शरीर के जर्जर और खोखला होने की स्थिति है। यह मृत्यु से पहले की दशा है।

जब अमाशय में मरोड़ देने लगता है। भूख का मरोड़ अक्सर भोजन के बारह से चौबीस घंटे के पहले शुरू नहीं होता है। भूख का एक मरोड करीब 30 सेकेंड तक रहता है। और यह लगाता 30–45 मिनटों तक होता रहा है। इसके बाद भूख 30-150 मिनटों तक कम हो जाता है

लेप्टिन और घ्रेलिन हार्मोन के स्तर में उतार-चढ़ाव से जीव को भोजन का सेवन करने की प्रेरणा मिलती है। जब कोई जीव खाता है, तो एडिपोसाइट्स शरीर में लेप्टिन की रिहाई को ट्रिगर करता है। लेप्टिन के बढ़ते स्तर के परिणामस्वरूप खाने के लिए प्रेरणा कम हो जाती है।^[2]घंटों तक सेवन न करने के बाद, लेप्टिन का स्तर काफी कम हो जाता है। लेप्टिन के निम्न स्तर माध्यमिक हार्मोन, ग्रेलिन की रिहाई का कारण बनते हैं, जो बदले में भूख की भावना को फिर से शुरू करते हैं।

कुछ अध्ययनों ने सुझाव दिया है कि घ्रेलिन का बढ़ा हुआ उत्पादन भोजन की दृष्टि से उत्पन्न भूख को बढ़ा सकता है, जबकि तनाव में वृद्धि हार्मोन के उत्पादन को भी प्रभावित कर सकती है।^[3] ये निष्कर्ष यह समझाने में मदद कर सकते हैं कि तनावपूर्ण स्थितियों में भी भूख क्यों बनी रह सकती है।

Hunger appears to increase activity and movement in many animals - for example, an experiment on spiders showed increased activity and predation in starved spiders, resulting in larger weight gain.^[4] This pattern is seen in many animals, including humans while sleeping.^[5] It even occurs in rats with their cerebral cortex or stomachs completely removed.^[6] Increased activity on hamster wheels occurred when rats were deprived not only of food, but also water or B vitamins such as thiamine.^[7] This response may increase the animal's chance of finding food, though it has also been speculated the reaction relieves pressure on the home population.^[5]

On June 19, 2009, it was reported that world hunger hit one billion people,^[8] about a sixth of the world's total population.

There were 923 million hungry people in the world in 2007, an increase of 80 million since 1990.^[9] The world already produces enough food to feed everyone - 6 billion people - and could feed the double - 12 billion people.^[10]

भूख से मौत

• हर सेकेंड भूख से एक व्यक्ति की मौत हो जाती है। यानी हर घंटे 3600 लोगों की मौत भूख से होती है। यानी 86400 लोगों की मौत भूख से होती है। यानी हर साल 3,15,3600 लोगों की मौत भूख से होती है। यानी 58 प्रतिशत मौते भूख की वजह से होती है।^[13][14][15]
• On the average, a child under five dies every 5 seconds as a result of starvation - 700 every hour - 16,000 each day - 6,000,000 each year - 60% of all child deaths (2002-2008 estimates).^{[16][17][18][19][20]}

The Meals On Wheels Association of America Foundation (MOWAAF) has found that hunger is a serious threat facing millions of seniors in the United States, and that understanding the problem is a critical first step to developing remedies. In 2007, MOWAAF, underwritten by the Harrah's Foundation, commissioned a research study entitled The Causes, Consequences and Future of Senior Hunger in America.^[21] The report was released at a hearing of the U.S. Senate Special Committee on Aging in March 2008 in Washington, D.C.

The study found that in the United States, over 5 million seniors, (11.4% of all seniors), experience some form of food insecurity (i.e., were marginally food insecure). Of these, about 2.5 million are at-risk of hunger, and about 750,000 suffer from hunger due to financial constraints. Some groups of seniors are more likely to be at-risk of hunger. Relative to their representation in the overall senior population, those with limited incomes, under age 70, African American, Hispanic, never-married, renters, and seniors living in the Southern United States are all more likely to be at-risk of hunger. While certain groups of seniors are at greater-risk of hunger, hunger cuts across the income spectrum. For example, over 50% of all seniors who are at-risk of hunger have incomes above the poverty threshold. Likewise, it is present in all demographic groups. For example, over two-thirds of seniors at-risk of hunger are Caucasian. There are marked differences in the risk of hunger across family structure, especially for those seniors living alone, or those living with a grandchild. Those living alone are twice as likely to experience hunger compared to married seniors. One in five senior households with a grandchild (but no adult child) present is at-risk of hunger, compared to about one in twenty households without a grandchild present. Seniors living in non-metropolitan areas are as likely to experience food insecurity as those living in metropolitan areas, suggesting that food insecurity cuts across the urban-rural continuum.^[22]

A food craving is an intense desire to consume a specific food, as opposed to general hunger. Similarly, thirst is the craving for fluids. Withdrawal craving is a "hunger" for administering addictive drugs.

• Weight Gain Diet In Hindi Archived 2023-05-04 at the वेबैक मशीन
• Anorectic
• Eating disorder
• Fasting
• Hypoglycemia
• Starvation
• Spirulina (dietary supplement)
• Stomach growling
• Ghrelin
• Malnutrition
• Global Hunger Index
• Right to food
• Specific appetite

संगठन

• Church World Service
• संयुक्त राष्ट्र खाद्य एवं कृषि संगठन
• Intergovernmental Institution for the use of Micro-algae Spirulina Against Malnutrition (IIMSAM)
• Share Our Strength
• Stop Hunger Now
• World Food Programme
• World Vision
• Good Shepherd Food Bank

• The Akshaya Patra Foundation

• United Nation 2007 report^{[मृत कड़ियाँ]}
• Action Against Hunger Giving the most basic Human RIght - The right to food
• Intergovernmental Institution for the use of Micro-algae Spirulina Against Malnutrition
• Fighting hunger and poverty in Ethiopia (Peter Middlebrook)
• Satiety enhancers in food Scientist Live
• e-learning about Food Security and Hunger from FAO
• Food Security: A Review of Literature from Ethiopia to India (Geopolicity)
• School Feeding Programs That Fight Child Hunger A Series of Interviews with UN World Food Programme Officials about school feeding in developing countries and their impact in reducing child hunger and malnutrition
• Crisis briefing on food and hunger from Reuters AlertNet
• "Human Rescue Plan". World Food Programme, 2009 (video)
• Ten Things you can do to Fight World Hunger The Nation, May 13 2009
• Attacking Hunger at Its Roots by Hillary Clinton, The Huffington Post, June 11 2009
• The Roadmap to End Global Hunger An interview with Bruce White of Catholic Relief Services