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  • Body lice show

    Body lice

    Mike tries to avoid catching body lice by washing his clothes by the Ganges.

    (03:09)
  • The Ganges at Varanasi show

    The Ganges at Varanasi

    The sacred waterway is used as a swimming pool, laundry, bathroom and rubbish tip. It's so heavily polluted at Varanasi that...

    (03:12)
  • Sacred cows and macaque monkeys show

    Sacred cows and macaque monkeys

    Cows may be sacred in India but they are responsible for spreading the single most deadly infectious disease known to...

    (03:13)
  • Worms and rabies show

    Worms and rabies

    Dr Mike Leahy can't stress enough, the importance of washing fruit and vegetables if you want to avoid unsavoury diseases such...

    (03:10)
  • Scabies show

    Scabies

    Mike gets under the skin of scabies in Mumbai, one of the largest cities on the planet.

    (03:11)
  • The Vietnamese centipede and rove-beetle show

    The Vietnamese centipede and rove-beetle

    It’s one of the nastiest bugs Mike's hunted so far – with an agonising and toxic bite that can send your body into major...

    (04:32)
  • The deadly Malayan krait show

    The deadly Malayan krait

    On a piece of parkland, very close to Hanoi, Mike's on the hunt for the Malayan krait. This snake's venom is ten times more...

    (03:11)
  • Rats and killer fleas show

    Rats and killer fleas

    Mike buys a rat trap in Metal Street to catch a rat to catch a flea, the source of a deadly disease thought to be in the past....

    (03:10)
  • Assassins and chagas show

    Assassins and chagas

    Mike gets bitten by the bug under the palm trees of the Amazon. The assassin bug spreads chagas disease which is responsible...

    (03:13)
  • The legendary piranha show

    The legendary piranha

    Using himself as bait, Mike finds out how much piranha are attracted to human flesh.

    (03:10)
  • Deadly caterpillars and Manaus show

    Deadly caterpillars and Manaus

    Deadly caterpillars leave a lasting impression on Mike Leahy as he heads towards Manaus and one of the most incredible natural...

    (03:10)
  • Mosquitoes, dengue and favellas show

    Mosquitoes, dengue and favellas

    After warning us that Rio has a hidden killer, the dengue virus, carried by mosquitoes. Mike takes one of the city's more...

    (03:09)
  • The fire ant show

    The fire ant

    Enter a world of pain with Dr Mike Leahy as he takes his encounter with the Brazilian fire ant to the limit.

    (03:10)
  • Mengele Twin Mystery show

    Mengele Twin Mystery

    See scientists uncover the facts behind the bizarre remote Brazilian town full of twins.

    (00:52)
  • Experimentation show

    Experimentation

    Science takes a fresh look at LSD, including the first experiments on humans in 30 years.

    (01:04)
  • The "Candy Man" show

    The "Candy Man"

    LSD dealer Alice prepares candy that will take you through the looking glass into wonderland.

    (03:08)
  • Pain Killer show

    Pain Killer

    The debilitating pain caused by a Cluster Headache can be quickly relieved by the illicit use of LSD.

    (03:15)
  • Orange Sunshine show

    Orange Sunshine

    For almost 40 years, Nick Sand was one of the top LSD chemists in the world and ended up serving six years in prison for his...

    (03:14)
  • Jawsbreaker show

    Jawsbreaker

    Although you are more likely to be hit by lightning than attacked by Jaws… is it possible to scare off a shark?

    (01:40)
  • Return To Sender show

    Return To Sender

    What makes a boomerang return to the person who threw it?

    (01:29)