The_lost_art_of_hitchhiking_What_we_can_still_learn_from_travels_most_radical_mode.txt
BBC Innovation Science & Health.txt
AdvertisementScience & HealthThe play scratch lottery onlinesimple test to check how old your lungs areThe condition of our lungs can reveal a great deal about our wider health. Luckily you can also get them into better shape.See moreThe South African campaigners battling childhood obesityThe UN says the number of obese teenagers has nearly tripled globally in the last two decades. More children are obese than underweight, says UnicefTraditional, healthy diets are being replaced by ultra-processed foods, often high in sugar and additives, the UN agency says.Alzheimer's blood test could 'revolutionise' diagnosisPharmacy offers contraceptive implants in UK-firstBest and worst-performing NHS Trusts in England namedWatch a fierce Albertosaurus matriarch assert dominance2:00Do you need to drink electrolytes to stay hydrated?Electrolyte-packed drinks are said to optimise health and hydration. 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Scientists want to use them to help you rest better.Why some cultures welcome 'hearing voices'Western medicine views hearing disembodied voices as a symptom of psychosis. But that's not the case everywhere.The surprising foods that help you sleep betterMost of us know going to bed on a full stomach can affect our sleep. Changing what we eat and the time of day we eat certain foods can help us sleep better.What body odour reveals about your healthWe emit a barrage of whiffy chemicals through our pores and in our breath. Some are a sign that we might be getting ill – and could be used to diagnose diseases up to years in advance.The foods that change how drugs workOccasionally the food we eat can interfere with the way drugs are supposed to work. Now scientists are trying to harness these effects to boost the efficacy of treatments.Why Lyme disease can be so hard to diagnoseClimate change is contributing to the global rise of Lyme disease. 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