Life and Style Michael Mosley holding up a piece of human tapeworm as Mosley lived with tapeworms in his guts for six weeks for a documentary

It's a documentary that promises to be fascinating – but you'd be well-advised not to watch it over dinner.

Got an itch?: Experts baffled by the urge to scratch

Everyone gets the urge to scratch, but experts struggle to explain why. Now, however, research is pointing the finger at gene mutation

Allergies: What's the cause?

Is it possible to have a mild food allergy that only brings on symptoms intermittently? I sometimes develop a runny nose and itchy throat soon after eating certain foods. The symptoms are mild and don't really trouble me, but it would be nice to know what causes them.

Penicillin: do allergies run in the family?

My son was recently prescribed a course of antibiotics for a throat infection. The doctor suggested penicillin, but my wife and two of her relatives are allergic to it, so I asked if he could be given something else, in case he was allergic, too. The doctor was rather dismissive of the idea that penicillin allergy runs in families. Does it?

Asthma: Will ibuprofen affect me?

I have both asthma and arthritis. The arthritis is quite painful, but when I try to buy ibuprofen from a pharmacist, they refuse because I have asthma. I have taken ibuprofen many times with no problems. Should I avoid it?

Rhinitis: Why am I sensitive to cold air?

I am acutely sensitive to cold air. The effects are immediate and the colder the air the worse things are. I flinch on exposure to the cold at this time of year as if sniffing smelling salts. This is followed by a thumping headache and painful soreness in the eyes and nostrils. Further exposure can result in heavy nasal congestion and pain spreading all around my eyes, jaws and teeth. I am confined to the house from October to June and even in summer have to be wary of air-conditioning. The problem started after a spell in hospital due to pneumonia and a pulmonary embolism. Can you offer any help as to what it might be, what has caused it and what can be done?

Woman claims to be Peron's long-lost love child

Martha Holgado says even strangers comment that her facial features are strikingly similar to those of the former president Juan Peron. But it has taken until now for the 72-year-old to test her claim that she is the illegitimate child of Argentina's strongman.

Allergy: mystery of the sun

When in the sun, I get a prickly red rash. It appears anywhere exposed to the sun, but not my face. Even if I stay out of the sun, I still get a rash in hot countries. Sunscreen doesn't help. Is there a solution, short of holidaying in Iceland?

Vaccines: allergic to the yellow fever jab

My 34-year old daughter and family are about to move to Kenya. The travel jabs didn't affect her husband or children but she suffered an extreme reaction to the yellow-fever jab, in the form of an arthritis-like joint pain and swollen lymph glands. Tests have concluded that this was nothing worse than a bad allergic reaction and should pass within six months. She is small-boned and very thin: could she have had too great a dosage for her body mass? I hope to go to Kenya to visit, but am now concerned about my own possible reactions to the jab. I am 61 and, unlike my daughter, not small. What is the likelihood of a genetically linked allergic reaction? And is there an allergy test I could have?

Immune System: Could pregnancy have caused my allergy?

I gave birth to twins five months ago and am breastfeeding them. I am 35 and it was my second pregnancy. Two or three times during the pregnancy I seemed to have a reaction to nuts - my lips and tongue swelled. Since the birth, the reaction has got worse, so now I avoid nuts. My doctor said it was to do with my immune system being altered by pregnancy, but will this allergy stay with me? And does this mean one of my babies might have an allergy of some kind?

Allergy: Could I have come into contact with poison ivy?

I have developed a nasty, blistery rash on my hands after working in the garden. An American neighbour says it looks like poison ivy. Could I have come into contact with poison ivy in the UK? If not, what else might have caused it?

Goldman waits to play final card in BAA bid war

A consortium led by Goldman Sachs is poised to raise its offer for the airports group BAA, to follow a possible higher bid today from Spain's Ferrovial.

Hay Fever: Why do i get it so early?

I usually begin to get hay fever about four weeks before everyone else. Am I unusually sensitive?

Last night's television: Throne together, not thought out

JUDGE JOHN DEED BBC1; BLOOD ON OUR HANDS: THE ENGLISH CIVIL WAR C4

If you can't stand the wheat...

More than a third of us believe we have a food allergy. Yet doctors put the figure at a mere two per cent. So are we just imagining our symptoms? Julia Stuart reports
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