My wife is 36 weeks pregnant. Will she be fit to travel on Eurostar?

"You need to check with Eurostar. With airline travel, international carriers usually rule that no one can fly after 32 weeks of pregnancy, but they can bend the rules and often let people fly up to 36 weeks if they have a doctor's note..."

Do I need a medical certificate to go diving if I have asthma?

"If you have asthma, you need to get passed as fit to dive by a certified diving medical referee. Your GP probably won't have the necessary experience to do this, but the Professional Association of Diving Instructors can give you details of someone in your area who does..."

Pedal power

What's the best way to raise money for charity? Shake a tin in the street, perhaps, or host a bring-and-buy sale? Al Humphreys decided to go one better - by taking three years out of his life to do a sponsored cycle ride around the world. Here he tells us how the first year has gone

I feel lethargic and nauseous after long car journeys. Any suggestions?

"Always look in the direction you are travelling, and never sit in the back of the car. Exhaust fume poisoning can make you feel tired and nauseous, so check the exhaust is not leaking the carbon monoxide-rich gas into the car as well..."

Which anti-malarial medication is required for trips to Borneo?

"You have a choice of three antimalarials for Borneo: Lariam, Doxycycline and Malarone. Choose the latter, as you only have to take it for a week after your return."

One down… 9,999 more miles to go

Joanna Walters braves tempest and hungry horses on Britain's new rural cycle paths.

My daughter faints when flying long haul. Is there any way to stop this?

"Your daughter needs to see her GP before she flies again. When a plane cruises at high altitude, there is a lower cabin pressure. Because of this, the oxygen concentration is lower. If she has a reduced capacity to carry the oxygen available, this could lead to fainting..."

The Official Guide to the National Cycle Network, £10.99, Sustrans

A comprehensive guide to the 6,500 miles of national cyle network in Britain and Northern Ireland.

What’s the best way to stop my children getting jet lag?

"It depends on the age of the children. If they are younger than four or five, there's nothing you can do as they are a law unto themselves on a flight, and no amount of cajoling will get them to sleep when you want. Over this age, there are possibilities..."

OurChemist

Our Chemist – Health