Number of STI tests at sexual health centres are rising again In 2021, more than 138,000 people were tested for sexually transmitted infections (STIs) at a centre for sexual health.
How to distinguish a dual user from an exclusive e-cigarette user RIVM and Maastricht University have identified a combination of factors that can be used to distinguish between exclusive e-cigarette users (vapers) on the one hand and people who smoke both regula