What is the recommended amount of sugar that a teenager should have in one day?

PHE - Energy drinks are not a healthy choice, particularly for children and young people. In some people caffeine can cause increased irritability, nervousness or anxiety, particularly if you are not used to it. Public Health England has recently advised that sugary drinks have no place in a child's daily diet

Mr Kemball-Cook, who has won a Shell award for his invention, stars in the video for "Tell Me We're Okay", alongside Akon and crowds dancing on the Pavegen pitch in Lagos.

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'These kids aren’t allowed to be children for very long. They have to deal with very serious issues in their lives every single day.

"We expect schools to make the right decisions for their pupils about what food and drink young people can bring in.

Ms Matthews added: 'The idea was come together and using art and science pick an issue and try to make it better.

"Including my energy drink during dance, this means that I drink three a week," said Phoebe.

For example Phoebe, aged 14, drinks energy drinks for dance whereas Brogan, also 14, drinks them without doing any sports.

'We started to think about the time we’d spent overseas and we’d all had this similar experience of seeing kids play.

Do you think it is right that schools should ban energy drinks?

Ellie, 14, said:"I don't drink energy drinks that often but when I do, I'm normally tired or I just drink them because I like the taste."

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BHF - The government is responsible for the standards that are in place for schools to help ensure that the food and drink children and young people receive is nutritious and well-balanced.

Burning kerosene for lighting also generates some 190 million metric tons a year of carbon dioxide emissions, according to recent estimates — the equivalent emissions of about 38 million automobiles.

Watch the full report on the Victoria Derbyshire programme on BBC Two and the BBC News Channel.

Could too much sugar lead to life threatening illnesses and if so what?

PHE - Caffeine is a stimulant and is able to offer a temporary energy boost, similar to that of tea and coffee which also contain caffeine. However, the effects of caffeine are transitory and so cannot be used as a long-term solution to tiredness.

How can we control/monitor how much sugar we are having?

PHE - Front of pack food labels allow us to see at a glance the calorie content of a food or drink product and tell us whether it is low, medium or high in fat, saturated fat, sugar and salt using the colours green, amber and red to indicate this.

BHF - The main thing that energy drinks will provide us with is energy - from the sugar that is added to them. It would be more nutritious to have water or a glass of low fat milk.

PHE - There are a range of energy drinks on the market, each likely to differ slightly in its ingredients. Generally, energy drinks are high in caffeine, sugar and calories. As most of us are already consuming too much sugar, regularly consuming energy drinks can increase your free sugar intake to above the recommended maximum.

'Sometimes giving these kids the ball before we even show them the power generation part is such an amazing thing because they have a ball which doesn’t require inflation - you are telling them that the tooth fairy does exist.'

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Ms Silverman added: ‘Just as much as we noticed that there was so much universal love for soccer we also noticed there’s a huge market for safe, sustainable immediate power access.'

Energy

The clever invention is made from materials found in developing countries and costs only slightly more than a normal high end ball to produce.

What would your advice to teenagers be about energy drinks?

Called the Soccket, the revolutionary ball builds up enough energy to power a light for three hours from just 30 minutes of play.

The British Soft Drinks Association also told us they "support the School Food Trust's rules on what drinks can be sold in schools but of course it is for teachers to decide what pupils are allowed to take into school.

The special ball can currently be used with an ac adaptor but the designers hope this will be expanded in the future to enable other products to be charged by it.

PHE - The Scientific Advisory Committee on Nutrition has found that eating and drinking too much sugar can cause tooth decay and lead to weight gain and obesity, which increases your risk of life-threatening illnesses including Type 2 diabetes, heart disease and breast and bowel cancer.

In recent years, Akon has become an active campaigner on behalf of countries without reliable access to electricity. 

The pitch was built by British entrepreneur Laurence Kemball-Cook, whose firm Pavegen specialises in producing energy from footsteps. 

And Lottie, 14, commented : "I think it's quite scary how many chemicals there are in these drinks that I can't spell let alone pronounce and they surely can't be good for you.

In many developing countries, reliance on kerosene lamps has led to numerous health problems.

PHE & BHF - From the age of 11 years into adulthood, it is recommended that free sugar, all sugars added to food and drink products by the cook, consumer or manufacturer, accounts for no more than 5% of your daily calories. This is around 30g of sugar or seven sugar cubes per day. At the moment sugar provides between 11 and 15% of food energy.

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To find out more we asked some questions to health experts.

"Children should consume less caffeine than adults due to their lower body weight so high caffeine content drinks are not recommended for children and this is clearly stated on the label."

Sidney, another 14-year-old, said:"In Coopers, people come into school with a variety of energy drinks. They have different colours and sizes. However when we looked at the sizes, the bigger bottles have less sugar in them. This really surprises me because when you see big bottles you automatically think about more sugar, however that's not the case in this situation."