Crimea has become a particular flashpoint.

I'm personally confident that either Pierre Poilievre or Mark Carney are capable leaders, and I'm not worried about whether the wrong person wins.I'm more worried about the next year when the world might be on fire, as Trump seems prepared to make such extreme moves. Nothing is off the table with him.

If we go into a crisis, I'm sure Poilievre and Carney will put aside their differences and work together and do the job as well as it can be done.So to the extent that Canada can be well prepared in the face of this looming threat, I'm confident that whoever the leader is is going to be able to manage it as well as it can be managed.I am proud of the quality of the debate - it was respectful, dignified dialogue between high-calibre politicians. Canada has once again demonstrated to the world that it is a strong, multi-party democracy.

Mark Carney's idea of free trade in Canada by Canada day is a winning policy, and the concept of a national bureau to address the housing crisis - which was mentioned during the French debate - is one that should be explored.But I found it difficult to relate to the picture that the Conservative leader was painting of the current Canadian experience in the sense that there is widespread chaos and crime.

I wish there was more in the public discourse about the climate crisis and that leaders had to commit to climate action. I agree that Canada could be a clean energy superpower, but that they made no commitment was a little disappointing - which could have happened had the Green party been invited.

A documentary is being made about the man who lost a hard drive containing £570m of bitcoin.Losing excess weight would in turn improve health. For example, lower levels of sleep apnoea – when breathing stops and starts while slumbering – is thought to be down to losing weight around the tongue and throat, which can block the airways.

But the drugs also appear to be directly altering the behaviour of cells and tissues in the body.Dr Aly said: "Obesity is bad for the brain. Obesity is bad for mental health. Obesity is bad for the heart. Obesity could be the mother of all ills."

Ozempic and Wegovy have the same active ingredient, semaglutide, in different doses, and mimic the hormone glucagon-like peptide-1.Released by the gut after eating, GLP-1 travels through the blood and sticks to little receptors on the surface of brains cells.