LONDON (Reuters) - Mothers who smoke during pregnancy put their children at greater risk of developing psychotic symptoms as teenagers, British scientists said on Thursday.

LONDON (Reuters) - Mothers who smoke during pregnancy put their children at greater risk of developing psychotic symptoms as teenagers, British scientists said on Thursday.

WASHINGTON (Reuters) - Many people who have died of H1N1 swine flu in the United States have also had bacterial infections, health officials reported on Wednesday.

WASHINGTON (Reuters) - Many people who have died of H1N1 swine flu in the United States have also had bacterial infections, health officials reported on Wednesday.

LONDON (Reuters) - More than half of the 9.5 million people who need AIDS drugs cannot get them and 33 million people across the world are still infected with the virus that causes it, a United Nations report said on Wednesday.

LONDON (Reuters) - More than half of the 9.5 million people who need AIDS drugs cannot get them and 33 million people across the world are still infected with the virus that causes it, a United Nations report said on Wednesday.

WASHINGTON (Reuters) - Nearly two-thirds of U.S. parents say they will hold off having their children vaccinated against the H1N1 swine flu or will not get them immunized at all, according to a survey released on Wednesday.

WASHINGTON (Reuters) - Nearly two-thirds of U.S. parents say they will hold off having their children vaccinated against the H1N1 swine flu or will not get them immunized at all, according to a survey released on Wednesday.

WASHINGTON (Reuters) - Children of women infected with influenza during pregnancy have a substantially higher risk of heart disease late in life, according to a study published on Wednesday.

WASHINGTON (Reuters) - Children of women infected with influenza during pregnancy have a substantially higher risk of heart disease late in life, according to a study published on Wednesday.