Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Risk of cancer in regular and low meat-eaters, fish-eaters, and vegetarians: a prospective analysis of UK Biobank participants
COVID-19 testing systems and their effectiveness in small, semi-isolated groups for sports events
Emulation of epidemics via Bluetooth-based virtual safe virus spread: experimental setup, software, and data
Hepatic resection versus transarterial chemoembolization for the intermediate stage hepatocellular carcinoma：A cohort study
Mental Health, Substance Use, and Suicidal Ideation Among Unpaid Caregivers in the United States During the COVID-19 Pandemic: Relationships to Age, Race/Ethnicity, Employment, and Caregiver Intensity
Forskolin-induced swelling of intestinal organoids predicts long-term cystic fibrosis disease progression
Individualised exercise in chronic non-specific low back pain: a systematic review with meta-analysis on the effects of exercise alone or in combination with psychological interventions on pain and disability
Potentially Inappropriate Medication Use and the Hospitalization Rate among Thai Elderly Patients: a Retrospective Cohort Study
Joint analysis reveals shared autoimmune disease associations and identifies common mechanisms
Healthcare workers benefit from second dose of COVID-19 mRNA vaccine: Effects of partial and full vaccination on sick leave duration and symptoms
Engagement with daily testing instead of self-isolating in contacts of confirmed cases of SARS-CoV-2.
Autism spectrum disorder trios from consanguineous populations are enriched for rare biallelic variants, identifying 32 new candidate genes
Assessing the feasibility of sustaining a 'Zero-COVID' policy in China in the era of highly transmissible variants
Increasing but inadequate intention to receive Covid-19 vaccination over the first 50 days of impact of the more infectious variant and roll-out of vaccination in UK: indicators for public health messaging
Maternal and child outcomes reported by breastfeeding women following mRNA COVID-19 vaccination
Labeling self-tracked menstrual health records with hidden semi-Markov models
Predictors of Adolescent Engagement and Outcomes: A cross-sectional study using the Togetherall (formerly Big White Wall) digital mental health platform
Mitigating Covid-19 aerosol infection risk in school buildings: the role of natural ventilation, classroom volume, occupancy and face masks
Impairment and characteristics of postural control sub-components in people with COPD: a scoping review.
Identifying the Factor Structure of the DSM-5 Level 1 Cross-Cutting Symptom Measure
Towards fast, routine blood sample quality evaluation by Probe Electrospray Ionization (PESI) metabolomics
Pre-infection 25-hydroxyvitamin D3 levels and association with severity of COVID-19 illness
Genomics-based identification of a potential causal role for acylcarnitine metabolism in depression
A three gene signature predicts response to selinexor in multiple myeloma
A Simple Mathematical Tool to Help Distribute Doses of Two-Dose Covid-19 Vaccines among Non-Immunized and Partly-Immunized Population
Health effects of European colonization: An investigation of skeletal remains from 19th to early 20th-century migrant settlers in South Australia