FRIDAY, April 6 (HealthDay News) -- Women who'd like to become pregnant -- especially those who are taking medications for chronic conditions -- may need to add something to their to-do list: Plan, plan, plan.

FRIDAY, April 6 (HealthDay News) -- Laura Mokelke was diagnosed with painful psoriatic arthritis when she was just 19 years old. A powerful combination of medications helps to keep her symptoms at bay, including methotrexate, a drug that is used to treat certain types of cancer.

FRIDAY, April 6 (HealthDay News) -- Three months into 2012, chances are good that those grand plans for self-improvement hatched at the start of the new year have become more of a dead weight.

(HealthDay News) -- An ingrown toenail occurs when a nail grows into the skin on the sides or top of a toe. This painful condition can lead to infection.

(HealthDay News) -- Limiting the amount of food you eat is key to losing weight and maintaining weight loss.

FRIDAY, April 6 (HealthDay News) -- Anxiety improves a person's ability to smell potentially threatening odors, according to a new study.

FRIDAY, April 6 (HealthDay News) -- Patients with digestive disorders such as inflammatory bowel disease may be exposed to significant levels of radiation from diagnostic imaging tests, a new study suggests.

FRIDAY, April 6 (HealthDay News) -- Overuse injuries account for more than one-quarter of all injuries suffered by U.S. collegiate athletes, a new study has found.

THURSDAY, April 5 (HealthDay News) -- Although vitamin deficiencies have been linked to canker sores, taking a daily multivitamin won't prevent this common mouth ailment, a new study finds.

FRIDAY, April 6 (HealthDay News) -- Suffering emotional trauma such as witnessing domestic violence or being abused early in life may inhibit children's intellectual development, according to a new study.

FRIDAY, April 6 (HealthDay News) -- Children who grow up learning to speak two languages are better at multi-tasking than children who learn only one language, a new study finds.

FRIDAY, April 6 (HealthDay News) -- Surgery for esophageal cancer can result in lingering health problems for long-term survivors, a new study finds.

FRIDAY, April 6 (HealthDay News) -- Children with autism who were born either prematurely or several weeks late may experience more severe symptoms than kids with autism who were born on time, according to a new study.

FRIDAY, April 6 (HealthDay News) -- Rapid treatment with asthma medications seems to help reduce hospitalizations among children with asthma, a new study finds.

FRIDAY, April 6 (HealthDay News) -- So-called robotic drug dispensers can be contaminated with dangerous bacteria, a new report says.

THURSDAY, April 5 (HealthDay News) -- For people suffering from uncomplicated appendicitis, a course of antibiotics may be just as good as having the appendix removed, British researchers report.

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay: