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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Mumbai, May 17: Nicholas Pooran’s whirlwind 75 covered for skipper KL Rahul’s sedate 55, providing a much-needed impetus to Lucknow Super Giants' impressive total of 214 for 6 against Mumbai Indians in an IPL encounter here on Friday.

Struggling for momentum on what appeared to be a two-paced wicket at the start, LSG could only manage 69 for 3 at the halfway stage but Pooran’s stunning knock made up for another shoddy Powerplay effort by Rahul, who is unable to change his game in the Powerplay.

On their part, Mumbai Indians’ bowling woes persisted with skipper Hardik Pandya using as many as eight different bowling options but none, barring seasoned Piyush Chawla (3/29) and novice Naman Dhir (2/13) could impose themselves.

With Trinidad & Tobago PM Dr Keith Rowley in attendance here at the Wankhede Stadium, Pooran took it upon himself to entertain his country's premier by smashing the MI bowlers to all parts of the ground.

His lofted hits to clear the covers as well as powerful pulls on the leg side were equally compelling until Pooran found Suryakumar Yadav grabbing the ball out of thin air at long on in the 17th over.

By then, the free-flowing West Indian had already notched up his highest score of the season, hammering eight sixes and five fours for 75 off a mere 29 balls.

Pooran’s dismissal followed Rahul’s exit after their 44-ball stand for 109 runs for the fourth wicket, which gave LSG the platform to push for a total exceeding 200.

Pooran’s onslaught also debunked the slowness of the pitch — if there was any as made evident by LSG’s top order — and Rahul’s solidity in tough phases ensured that the visitors did not stumble at any stage in their innings.

The LSG skipper did well to not rush into imposing himself on the game despite his side not able to find their feet for a large part of their innings.

Rahul forged two crucial partnerships, including 48 runs for second wicket with Marcus Stoinis, and put on 55 off 41 balls with three fours and as many sixes.

Ayush Badoni also chipped in with a 10-ball 22, collecting 19 runs off Romario Shepherd in the last over.

LSG were off to a rocky start with Devdutt Padikkal dismissed for a first-ball duck. Nuwan Thushara (3/28) swung the ball back into the left-hander who was pinned in front of the wickets and burned a review.

But there was no such mistake committed by Stoinis, trapped leg-before at the end of the powerplay by Chawla after the Australian stroked his way to 28 off 22 balls with five fours.

Stoinis also used the DRS to perfection when the on-field umpire obliged a passionate appeal for leg-before by Arjun Tendulkar, with the replays confirming that the ball would have passed over the stumps. Tendulkar however was clobbered mercilessly by Pooran and after being hit for back-to-back sixes, the young left-arm seamer was forced to leave the field as he suddenly started suffering from cramps.