There are health warnings against drying clothes on a radiator, with links to the inhalation of dangerous Aspergillus fungal spores.
Although several people may not be adversely affected by these spores, having built up a healthy immune system or growing immunity to the fungus, there are concerns to many others. Those suffering from asthma, cancer patients, and anyone with a damaged or weak immune system can experience significant damage to the sinuses and lungs.
For a more detailed insight, explore our article, Should I dry my clothes on a radiator?