This is because their immune system is able to keep the bacteria in check and prevent it from growing.

BBC: TB link to ethnic minority poverty

Members of the Carneddau Mountain Pony Society round the ponies up once a year to check on numbers and prevent inbreeding.

BBC: Bad weather kills half of Welsh wild pony herd

If you take a few moments to slow down and check your work, you can prevent a lot of these errors.

FORBES: Eight Common Tax Filing Errors And How To Prevent Them

Under the plans, each person who has a check will receive a personal report setting out their risk of getting the conditions and guidance on how to prevent them.

BBC: Health screening for the over-40s

ReDigi's software is designed to prevent sellers from reinstalling a sold song to their computer, and offers users the chance to check their libraries for illegal music.

BBC: US court to rule on ReDigi's MP3 digital music resales