Actually in summer we are habitual of cold drinks and this is right because in hot environment soft drinks gives you cool feel .But we all know very well that it contains chemicals and some chemical are harmful for us.so when its time to buy soft drinks go with natural ones like mango drinks like maaza, frooti and some other which not contains chemicals.we have home made soft drink like lemon water which is also a good source of energy without harmful chemical.so be healthy go with natural products.