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Ask Dr Chris: knock-knees and mouth ulcers

Every week we partner up with our sister magazine, Woman, to bring you expert health advice from This Morning's Dr Chris Steele MBE, health journalist of the year. This week he answers your questions about knock-knees and mouth ulcers.

The problem: 'My son has knock-knees'

My four-year-old son is severely knock-kneed, and it's affecting his walking. What treatment options are there for him?

The solution

Knock-knees are common in children aged three to seven, and can disappear by the time they're 12 years old. But get your GP to examine him - physiotherapy may help. Your son could be referred to an orthopaedic specialist, who'll decide if he needs surgery.

The problem: 'Ow, I've got an ulcer'

I keep getting mouth ulcers and lumps inside my mouth. What can I do to stop these?

The solution

Mouth ulcers are very common in adolescents and young adults. They can be linked to stress, poor general health or illness, and may occur pre-menstrually. As yours are recurring, you may have a roughened tooth, ill-fitting dentures, or anaemia due to deficiency of Vitamin B12 or folic acid. Diseases such as Coeliac, Crohn's or Behcet's syndrome can also cause them. Talk to your GP.

Read more great health advice from Dr Chris

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