Joanna Pearl - Head of investigative research at Which?

Joanna Pearl

Head of investigative research

Investigative research team leader with 18 years' experience covering health at Which? and a background working for the NHS and Social Services.

29 articles

2026
1. 13 Mar
  Hearing aid types
  Hearing aids
2. 19 Feb
  Hearing aid prices
  Hearing aids
3. 16 Feb
  Earwax removal: safe methods, the kits and DIY products to avoid
  Hearing aids
4. 11 Feb
  Hearing aid features explained
  Hearing aids
5. 29 Jan
  Getting a hearing test – everything you need to know
  Hearing aids
6. 27 Jan
  Best hearing aid providers
  Hearing aids
7. 21 Jan
  Do Apple AirPods Pro work as hearing aids?
  Health & personal care
2025
2024
2023
1. 20 Jul
  Introducing the Which? Shoddies
  Consumer Rights
2. 23 Mar
  Don't try this at home: DIY ear wax removal kits likely to be ineffective, and some are potentially unsafe
  Health & personal care
2022
1. 30 Dec
  Are cheap hearing aids any good?
  Home & garden
2. 04 Mar
  Six hearing aid buying tips you need to know
  Health & personal care
2021
1. 16 Mar
  Five hearing aid pricing tips you need to know
  Health & personal care