Scientific arguments would even favour a risk-based rather than dose-based threshold, e.g. to allow for different decisions for a baby girl and an adult, according to the BEIR VII data [7].
We favour a risk-adapted approach and recommend HBV screening in patients with malignant lymphoma, multiple myeloma, CLL, AML, ALL and breast cancer, as well as patients planned for therapy with monoclonal B-cell antibodies, alemtuzumab, chemotherapy protocols based on the use of anthracyclines, higher doses of steroids and those undergoing autologous SCT (AII).
Closer to home, when the National Party announced the scrapping of the school decile system in favour of a "risk index" for funding, the age of mothers was named as one of the key factors the new system would take into account.
At one end of the spectrum, Chambil's AFS favoured a risk-preventative approach to adolescents' health, while at the other end, Los Barrios placed adolescents at the core of the service and made every effort to address their health care needs in an integral way.
We favour an individual risk assessment of non-indigenous clients in the UK, for exposure to risks such as drinking unpasteurised milk and eating undercooked meats, and to offer them toxoplasma screening in pregnancy.
At the present time, there is no formal argument in favour of such a risk.
Ghoulish tales of servants who rob and kill their mistresses confirm the danger in admitting these venal, opportunistic women into the sanctity of the home; so that setting them to work is seen as a noble endeavour - a favour to them and a risk to the security of the employers.
"With the scales tipped in favour of employers, there is a risk that people will not be able to contest unfair dismissals, wages being withheld or discrimination.
But experts said there was a risk that it could favour retail chains over customers.
No 10 has told would-be Conservative rebels, most of whom favour a soft Brexit, that they risk allowing Labour and Jeremy Corbyn to capitalise if they block the bill's passage through the House of Commons.
The second approach investigated the pattern of risk after first tumours: asynchronous constant or decreasing relative risks may favour shared risk factors, whereas increasing risks with increasing lead time should point to treatment effects (Heard et al, 2005).
