No amount of lead exposure is considered safe, and repeated or continuous lead exposure—particularly at high doses—is especially harmful for children, pregnant people, and older adults.
October 18, 2025
high
temporal
Established toxicological principle and public-health guidance regarding lead exposure.
Newborns, older adults, and people with chronic health conditions such as high blood pressure and diabetes are at higher risk of severe outcomes from chikungunya infection.
high
medical
Risk groups for more severe chikungunya disease.
Young children, older adults, and people with weakened immune systems are at higher risk of severe Salmonella infections and may require hospitalization.
high
epidemiological
Identification of populations at increased risk for severe outcomes from Salmonella infection.
Epidemiological research indicates that increasing daily step counts from very low activity to several thousand steps per day is associated with slower cognitive decline and reduced accumulation of disease-related brain proteins among older adults at higher risk for Alzheimer's disease.
medium
epidemiological
Generalizable association observed in cohort studies relating physical activity (walking) to cognitive outcomes and neuropathology in at-risk older adults.
Scammers use urgency and fear-based language such as 'Act now' or 'Final warning' to induce panic and target populations that may be more likely to trust such messages, including older adults.
high
behavioral
Describes the emotional-manipulation techniques and target demographics used by attackers.
Some phishing campaigns harvest credentials or payment details and then redirect victims to legitimate sites to obscure the fraud, and these scams commonly exploit fear and urgency and frequently target older adults.
high
behavioral
Describes follow-on concealment techniques and the emotional manipulation and demographic targeting used by attackers.