Warsaw, April 20: Adults in India consume on an average about half the amount of calcium than required for healthy bones, according to a global map of dietary calcium intake launched on Friday.

Calcium is a major component of bone, accounting for between 30-35 per cent of its mass and much of its strength. Low calcium intake has been linked to lower bone-mineral density, which increases the risk of osteoporosis and broken bones.

In India, the average calcium intake is only 429 mg per day against the requirement of 800-1000 mg per day, according to the map launched by the International Osteoporosis Foundation (IOF), a nongovernmental organisation. 

Across the 74 countries included in the map, the estimate of average dietary calcium intake among adults varies widely, from a low of 175 mg/day in Nepal to a high of 1233 mg/day in Iceland, according to the findings presented at a symposium held in Krakow, Poland.

Countries in Asia, Africa and South America mostly have low calcium intakes, ranging between about 400 and 700 mg/day, showed the map.

The map reflects the findings of a recent study published in the journal Osteoporosis International.

"The Map reveals that in many parts of Asia and Southeast Asia the population has extremely low intakes of calcium in the diet, with levels often less than 400 to 500 mg a day," said Ambrish Mithal, co-author of the study and IOF board member from India.

"In China and India, the world's most populous countries, the average intake is shown to be only 338 mg/day and 429 mg/day respectively," Mithal added. 

The amount of calcium needed varies at different stages of life. Calcium requirements are especially high in the teenage years due to the rapid growth of the skeleton, and at older age, when the body's ability to absorb calcium declines. 

In older adults, bone loss occurs at a rate of about one per cent per year, resulting in calcium loss of approximately 15 g per year.

The recommendations for daily calcium intake vary by country, however 800-1000 mg/day is generally recommended for healthy adults, with higher amounts recommended for teenagers, postmenopausal women, the elderly, and people with osteoporosis. 

Foods rich in calcium include all dairy foods (milk, yoghurt, cheeses), certain vegetables (broccoli or kale), whole canned fish with soft edible bones such as sardines, some nuts, calcium-set soy products (tofu, soy milk), and some mineral waters.

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New Delhi (PTI): India and the United States will commence three-day talks on the first phase of their proposed bilateral trade agreement here from December 10, sources said.

The visit is crucial as India and the US are working to finalise the first tranche of the pact.

"The three-day talks will start on December 10. It will conclude on December 12, and it is not a formal round of talks," said one of the sources.

The US team will be led by Deputy United States Trade Representative (USTR) Rick Switzer.

This visit of the US officials marks their second trip since the imposition of a 25 per cent tariff and an additional 25 per cent penalty on Indian goods entering the American market due to the purchase of Russian crude oil.

On September 16, the US officials last visited India.

On September 22, Commerce and Industry Minister Piyush Goyal also led an official delegation to the US for trade talks. Goyal had also visited Washington in May.

While the USA's chief negotiator for the pact is Assistant US Trade Representative for South and Central Asia Brendan Lynch, the Indian side is led by Joint Secretary in the Department of Commerce Darpan Jain.

The talks are also important as Commerce Secretary Rajesh Agrawal has recently stated that India is hopeful of reaching a framework trade deal with the US this year itself, which should address the tariff issue to the benefit of Indian exporters.

While noting that the Bilateral Trade Agreement (BTA) will take time, Agrawal has added that India is engaged in protracted negotiations with the US on a framework trade deal that will address the reciprocal tariff challenge faced by Indian exporters.

India and the US are having two parallel negotiations -- one on a framework trade deal to address tariffs and another on a comprehensive trade deal.

In February, leaders of the two countries directed officials to negotiate an agreement.

It was planned to conclude the first tranche of the pact by the fall of 2025. So far, six rounds of negotiations have been held. The agreement aims to more than double bilateral trade to USD 500 billion by 2030, from the current USD 191 billion.

The US remained India's largest trading partner for the fourth consecutive year in 2024-25, with bilateral trade valued at USD 131.84 billion (USD 86.5 billion exports).

The US accounts for about 18 per cent of India's total goods exports, 6.22 per cent of its imports, and 10.73 per cent of its total merchandise trade.

According to exporters, the agreement is important as India's merchandise exports to the US declined for the second consecutive month in October, falling by 8.58 per cent to USD 6.3 billion due to the hefty tariffs imposed by Washington.