In a Word . . . marathon

In centuries ahead people will reflect on this current marathon masochism with fascination and bewilderment

How tired should I be after a run?

Mix it up and make sure you feel it in your legs, says Grit Doctor Ruth Field

Cheering on marathon runners is an emotional journey

Use the marathon inspiration to get off the sofa and get running, says Grit Doctor Ruth Field

Grit Doctor: Why is it harder to keep weight off every year? Is it an age thing?

Eating like you did in your 20s could leave you up to 50lbs heavier now

Grit Doctor: Bye bye bingo wings: tips to beat arm flab

My upper arms are massive, strong, yet strangely devoid of tone. Far from a good look

Grit Doctor: Don’t be a cry baby - become a water baby

A busy woman needs to find an activity other than running that she can embrace with the same passion

Ten types of terror: What the Grit Doctor eats

In her new book, Cut the Crap, Ruth Field says we should all stop eating rubbish food. Joyce Hickey asks her just what kind of rubbish she would eat if pressed

Ruth Field’s Advice: There may be troubles ahead but leave the old ones behind

If your boss is behaving inappropriately and treating you badly, then confront him like a grown up

When a run is a wheeze

A running programme will help smokers give up their tobacco addiction for a fitness addiction

A spring in your step after running through winter

The poor weather is really just another excuse we give for avoiding the things we don’t want to do

Christmas always drives me crackers

If every Christmas brings the same old story of you playing host, being chef, waitress and referee, well then read on

Speak the truth before ill-intentioned yeses become a bad habit

When you say yes but really mean no, it festers an ill feeling and saps your mojo

Stop acting like a bridezilla and start apologising

Tell your best friend that you momentarily lost all perspective, and invite her to be re-instated as your maid of honour, if she’ll have you

Get yourself a first, not a boyfriend