What is mold?

Home is a general name for various microscopic fungi that grow as mycelia and form spores. Molds are common in nature and can be found almost everywhere, such as soil, plants and buildings. Molds can be beneficial, but they can also cause health problems and damage to structures.

What is mold?

Molds belong to the fungi family and differ from other fungi in that they grow as mycelia and produce spores that are spread by air currents. Molds need moisture and organic material such as wood, paper or food to grow. The most common indoor molds are Aspergillus, Penicillium, Cladosporium and Stachybotrys.

Effects of mold on health

Mouth can cause many health problems, especially if the exposure is long-term. The most common symptoms are:

  • Allergic reactions such as runny nose, cough and eye irritation
  • Aggravation of asthma
  • Infections, especially in people with weakened immune systems
  • Symptoms caused by mycotoxins, such as headache, fatigue and nausea

Mold prevention and control

Preventing the growth of mold is important in order to avoid health problems and structural damage. Here are some tips to prevent mold:

  1. Keep the interior dry and well ventilated
  2. Fix water damage and leaky pipes quickly
  3. Use dehumidifiers in damp areas such as basements and bathrooms
  4. Avoid the accumulation of excess moisture, for example by drying the laundry outside or using a tumble dryer

Mould removal

If you notice mold in your home, it is important to take steps to remove it. You can often remove small mold growths yourself, but for larger problems, you should turn to a professional. Here are some tips for removing mold:

  • Use protective equipment such as gloves and a respirator
  • Remove visible mold mechanically, for example by brushing or wiping
  • Use mold removers such as hydrogen peroxide or vinegar
  • Dry the treated area carefully

You can find more information about mold and its prevention, for example, at Töterveyslaitount and from Ympäristö.fi.